Piperaceae

Arctottonia

     Arctottonia tejupicoana Trel.

     Arctottonia tuxpenyana Trel. ex Lundell

Artanthe

     Artanthe adenophylla Miq.

     Artanthe guianensis Klotzsch

     Artanthe mollicoma f. major Miq.

     Artanthe ramiflora Miq.

     Artanthe renitens Miq.

     Artanthe schomburgkii Klotzsch

     Artanthe trichoneura Miq.

Chavica

     Chavica corylistachya Miq.

     Chavica leptostachya Hance

     Chavica wallichii Miq.

Enckea

     Enckea martiana Miq.

     Enckea sellertiana var. tenuiformis Trel.

Macropiper

     Macropiper

     Macropiper excelsum

     Macropiper guahamense (C.DC.) C.A.Sm. f. guahamense

     Macropiper guahamense f. glabrum (Yunck.) A.C.Sm.

     Macropiper latifolium (L.f.) Miq.

     Macropiper melanostachyum (C.DC.) A.C.Sm.

     Macropiper puberulum Benth.

     Macropiper puberulum f. glabrum (C.DC.) A.C.Sm.

     Macropiper puberulum f. puberulum [ined.]

     Macropiper timothianum (A.C.Sm.) A.C.Sm.

     Macropiper vitiense (A.C.Sm.) A.C.Sm. [ined.]

Manekia

     Manekia

     Manekia incurva (Sieber ex Schult.) T.Arias, Callejas & Bornst.

     Manekia naranjoana (C.DC.) Callejas

     Manekia obtusa (Miq.) T.Arias, Callejas & Bornst.

     Manekia sydowii (Trel.) T.Arias, Callejas & Bornst.

Mildea

     Mildea elegans Griseb.

Ottonia

     Ottonia

     Ottonia aguadana Trel.

     Ottonia albopunctata Trel.

     Ottonia angustifolia Rizzini

     Ottonia armondii Trel.

     Ottonia carpinifolia f. hirtipedicellata Yunck.

     Ottonia colliculorum Trel.

     Ottonia corei Yunck.

     Ottonia cowanii Yunck.

     Ottonia lancifolia Trel.

     Ottonia leptostachya var. glandulosa Yunck.

     Ottonia loefgreni Trel.

     Ottonia macrophylla Kunth

     Ottonia maguirei Yunck.

     Ottonia martiana Miq.

     Ottonia martiana var. latifolia Yunck.

     Ottonia mexiae Trel.

     Ottonia mexiae var. fertilior Trel.

     Ottonia miguelitensis Trel.

     Ottonia miguelitensis var. longipes Trel.

     Ottonia mosenii Trel.

     Ottonia ovata var. stenostachya Trel.

     Ottonia peruibensis Trel.

     Ottonia pickelii Yunck.

     Ottonia propinqua f. longiracemosa Yunck.

     Ottonia propinqua var. longiracemosa Yunck.

     Ottonia riofeioana Trel.

     Ottonia sampaioi Yunck.

     Ottonia santa-annae Trel.

     Ottonia sphaerocarpa Griseb.

     Ottonia villosa Yunck.

Peltobryon

     Peltobryon cyrtopodum Miq.

Peperomia

     Peperomia abnormis Trel.

     Peperomia abscondita J.W.Moore

     Peperomia abyssinica Miq.

     Peperomia aceramarcana Trel.

     Peperomia aceramarcana var. variifolia Yunck.

     Peperomia aceroana C.DC.

     Peperomia acreana C.DC.

     Peperomia acuminata Ruiz & Pav.

     Peperomia acuminatifolia Trel.

     Peperomia acuminatissima Miq.

     Peperomia acutifolia C.DC.

     Peperomia adscendens C.DC.

     Peperomia adsurgens Yunck.

     Peperomia aggravescens Trel.

     Peperomia agitata Trel. & Standl.

     Peperomia aguabonitensis Yunck.

     Peperomia aguilae Trel. & Yunck.

     Peperomia agusanensis C.DC.

     Peperomia ainana Trel.

     Peperomia ajoupana Trel. ex Stehlé & Quentin

     Peperomia alata Ruiz & Pav.

     Peperomia alata var. angustifolia C.DC.

     Peperomia alatiscapa Trel.

     Peperomia albert-smithii Trel. & Yunck.

     Peperomia albert-smithii var. epunctata Trel. & Yunck.

     Peperomia albertiana Yunck.

     Peperomia albidiflora C.DC.

     Peperomia albispica C.DC.

     Peperomia albostriata C.DC.

     Peperomia albovittata C.DC.

     Peperomia allartii

     Peperomia alpina (Sw.) A.Dietr.

     Peperomia alternifolia Yunck.

     Peperomia alwynii Callejas & Betancur

     Peperomia amantlanensis C.DC.

     Peperomia ambiguifolia Trel. & Yunck.

     Peperomia amnicola Trel.

     Peperomia amplexicaulis (Sw.) A.Dietr.

     Peperomia andicola Dahlst.

     Peperomia andrei C.DC.

     Peperomia aneura Yunck.

     Peperomia angularis C.DC.

     Peperomia angularis var. noveninervia Yunck.

     Peperomia angustata Kunth

     Peperomia angustata var. santamartae C.DC.

     Peperomia anomala Sodiro

     Peperomia antennifera Trel.

     Peperomia antioquiensis Callejas

     Peperomia antoni Trel.

     Peperomia antoniana Trel.

     Peperomia apodophylla var. hirtella Trel. & Yunck.

     Peperomia apurimacana Trel.

     Peperomia arabica Miq.

     Peperomia arboricola C.DC.

     Peperomia arbuscula Yunck.

     Peperomia arcuatispica Trel.

     Peperomia arechavaletae C.DC.

     Peperomia arenillasensis Yunck.

     Peperomia areolata Trel.

     Peperomia argenteobracteata Trel. & Yunck.

     Peperomia argumentosa Trel.

     Peperomia argyreia (Miq.) E.Morren

     Peperomia arifolia Miq.

     Peperomia arifolia Miq. var. arifolia

     Peperomia arifolia var. alva-utriculada Miq.

     Peperomia arifolia var. epeltata C.DC.

     Peperomia aristeguietae Steyerm.

     Peperomia armadana C.DC.

     Peperomia armondii Yunck.

     Peperomia arthurii Trel. & Yunck.

     Peperomia asarifolia Schltdl. & Cham.

     Peperomia aspergillus Trel.

     Peperomia asperula Hutchison & Rauh

     Peperomia asterophylla Trel.

     Peperomia astyla Trel.

     Peperomia atocongona Trel.

     Peperomia attenuata var. roseispica Yunck.

     Peperomia attenuata var. taveuniana Yunck.

     Peperomia attenuata Yunck.

     Peperomia auberyana Trel.

     Peperomia augescens Miq.

     Peperomia austin-smithii W.C.Burger

     Peperomia australana f. puberulenta Yunck.

     Peperomia australana var. ovalilimba Yunck.

     Peperomia australana Yunck.

     Peperomia australana Yunck. x P. pallida A.Dietr.

     Peperomia bajana Trel.

     Peperomia bakeri C.DC.

     Peperomia balansana C.DC.

     Peperomia balbisii Dahlst.

     Peperomia bangii C.DC.

     Peperomia bangrooana C.DC.

     Peperomia barbarana C.DC.

     Peperomia barbaranoides Yunck.

     Peperomia barbata C.DC.

     Peperomia barbinodis Trel.

     Peperomia barthelemyana Trel.

     Peperomia barthelemyana var. reducta Trel.

     Peperomia baueriana Miq.

     Peperomia bayajana Trel.

     Peperomia bella Yunck.

     Peperomia bellatula Yunck.

     Peperomia benthamiana Trel. & Yunck.

     Peperomia berlandieri Miq.

     Peperomia bermudezana Trel.

     Peperomia bernoullii C.DC.

     Peperomia berteroana Miq.

     Peperomia biamenta Trel. & Yunck.

     Peperomia bicolor Sodiro

     Peperomia biformis C.DC.

     Peperomia bilobulata C.DC.

     Peperomia blackii Yunck.

     Peperomia blanda (Jacq.) Kunth

     Peperomia blanda (Jacq.) Kunth var. blanda

     Peperomia blanda var. floribunda (Miq.) H.Huber

     Peperomia blanda var. langsdorffii (Miq.) Henschen

     Peperomia blanda var. microphyllophora [ined.]

     Peperomia blanda var. pseudodindygulensis (C.DC.) Yunck.

     Peperomia blanda var. sericea Yunck.

     Peperomia blephariphylla Trel. & Yunck.

     Peperomia blepharipus Trel.

     Peperomia bocasensis Trel.

     Peperomia boekei Callejas

     Peperomia boliviensis C.DC.

     Peperomia boomii Steyerm.

     Peperomia bopiana Trel.

     Peperomia boraborensis Yunck.

     Peperomia botterii C.DC.

     Peperomia brachypoda Urb.

     Peperomia bracteata A.W.Hill

     Peperomia bracteispica Trel.

     Peperomia bradei Yunck.

     Peperomia brasiliensis (Miq.) Miq.

     Peperomia brevipeduncula var. major Trel.

     Peperomia brevispica C.DC.

     Peperomia brittonii C.DC.

     Peperomia broadwayi C.DC.

     Peperomia buchtienii Yunck.

     Peperomia buntingii Steyerm.

     Peperomia butaguensis De Wild.

     Peperomia cacaophila Trel. & Yunck.

     Peperomia cachabiana C.DC.

     Peperomia caducipilosa Trel.

     Peperomia caespitiformans Trel.

     Peperomia caespitosa C.DC.

     Peperomia cainarachiana Trel.

     Peperomia caldasiana C.DC.

     Peperomia caldasiana f. longifolia (Dahlst.) Yunck.

     Peperomia calderoniae Barrios, Cota & Medina-Cota

     Peperomia caledonica C.DC.

     Peperomia caliginigaudens Trel. & Yunck.

     Peperomia calimana Trel.

     Peperomia calophylla Yunck.

     Peperomia calvifolia C.DC.

     Peperomia campii Yunck.

     Peperomia campinasana C.DC.

     Peperomia campinasana var. suboppositifolia C.DC.

     Peperomia camposii Sodiro

     Peperomia camptotricha Miq.

     Peperomia campylotropa A.W.Hill

     Peperomia canaminana Trel.

     Peperomia candelaber Trel.

     Peperomia candida Miq.

     Peperomia canescens [ined.]

     Peperomia cangrejalana Trel.

     Peperomia caperata Yunck.

     Peperomia caraboboensis Steyerm. & Bunting

     Peperomia cardenasii Trel.

     Peperomia carnifolia Yunck.

     Peperomia carnosa C.DC.

     Peperomia carpapatana Trel.

     Peperomia carpapatanum Trel.

     Peperomia carpinterana C.DC.

     Peperomia carrapana Trel.

     Peperomia casitana Trel.

     Peperomia castanoensis Trel. & Yunck.

     Peperomia castelosensis Yunck.

     Peperomia cataractaegaudens Trel.

     Peperomia cataratasensis Trel.

     Peperomia catharinae Miq.

     Peperomia caucana C.DC.

     Peperomia caudulilimba C.DC.

     Peperomia caudulilimba var. marragantiana C.DC.

     Peperomia caulibarbis Miq.

     Peperomia cavispicata G.Mathieu

     Peperomia ceapanana Trel.

     Peperomia celiae Yunck.

     Peperomia cerea Trel.

     Peperomia ceroderma Yunck.

     Peperomia cerro-puntana Trel.

     Peperomia chachapoyasensis C.DC.

     Peperomia chachopoana Trel.

     Peperomia chalhuapuquiana Trel.

     Peperomia chaluapuquiana Trel.

     Peperomia chapensis Steyerm.

     Peperomia chartacea Trel.

     Peperomia chartana Trel.

     Peperomia chimantana Yunck.

     Peperomia chimboana C.DC.

     Peperomia chiqueroana Trel.

     Peperomia choroniana C.DC.

     Peperomia choroniana var. heterodoxa Steyerm.

     Peperomia choroniana var. puberulenta Yunck.

     Peperomia christophersenii Yunck.

     Peperomia chromatogena Yunck.

     Peperomia ciliaris C.DC.

     Peperomia ciliatifolia Trel.

     Peperomia ciliatifolia var. eciliatifolia Trel.

     Peperomia ciliatifolia var. iquitosana Trel.

     Peperomia ciliifolia Yunck.

     Peperomia ciliolibractea C.DC.

     Peperomia ciliosa C.DC.

     Peperomia circinnata Link

     Peperomia circinnata var. orbicularis (C.DC.) Yunck.

     Peperomia circinnata var. parvifolia C.DC.

     Peperomia circulifolia Trel.

     Peperomia circulifolia var. eciliata Trel.

     Peperomia circulifolia var. flava Trel.

     Peperomia cladara f. ciliata Yunck.

     Peperomia cladara f. perglabra Yunck.

     Peperomia cladara Yunck.

     Peperomia claudii C.DC.

     Peperomia clavatispica Trel.

     Peperomia clavigera Standl. & Steyerm.

     Peperomia claytonioides Kunth

     Peperomia clivicola Yunck.

     Peperomia clivigaudens Yunck.

     Peperomia clusiifolia (Jacq.) Hook.

     Peperomia coalcomana [ined.]

     Peperomia coarctata Trel. & Standl.

     Peperomia cobana C.DC.

     Peperomia cocleana Trel.

     Peperomia cogniauxii Urb.

     Peperomia collocata Trel.

     Peperomia coloniae Trel.

     Peperomia colorata Kunth

     Peperomia columnaris Hutchison

     Peperomia comarapana C.DC.

     Peperomia commutata Trel.

     Peperomia condormiens Trel.

     Peperomia condotoana Trel. & Yunck.

     Peperomia congesta Kunth

     Peperomia conjungens Trel.

     Peperomia connixa Trel. & Yunck.

     Peperomia conocarpa Trel.

     Peperomia conserta Yunck.

     Peperomia consoquitlana C.DC.

     Peperomia conulifera var. acutifolia Trel.

     Peperomia conulifera var. kerveganti Trel.

     Peperomia conulifera var. matombana Trel.

     Peperomia conulifera var. stehleae Trel.

     Peperomia conulifera var. tivoliana Trel.

     Peperomia cookiana C.DC.

     Peperomia cookiana var. flavinerva Yunck.

     Peperomia cookiana var. minutilimba Yunck.

     Peperomia cookiana var. ovatilimba Yunck.

     Peperomia cookiana var. pukooana Yunck.

     Peperomia cooperi C.DC.

     Peperomia coquimbensis Skottsb.

     Peperomia corcovadensis f. latifolia Yunck.

     Peperomia corcovadensis f. longifolia (Dahlst.) Yunck.

     Peperomia corcovadensis Gardner

     Peperomia cordata Trel.

     Peperomia cordifolia (Sw.) A.Dietr.

     Peperomia cordigera var. pililamina Yunck.

     Peperomia cordulata C.DC.

     Peperomia cordulatiformis Trel.

     Peperomia coriaceaefolia [ined.]

     Peperomia cornifolia C.DC.

     Peperomia coroicoensis Yunck.

     Peperomia costulata C.DC.

     Peperomia cotoneasterifolia Trel.

     Peperomia cotyledon Benth.

     Peperomia cowanii Yunck.

     Peperomia crassicaulis Fawc. & Rendle

     Peperomia crassilimba C.DC.

     Peperomia crassulaecaulis Trel.

     Peperomia crinicaulis C.DC.

     Peperomia crispa Sodiro

     Peperomia crotalophora Trel.

     Peperomia cruentata Trel.

     Peperomia cryptostachya Trel. & Yunck.

     Peperomia cuatrecasasana Trel.

     Peperomia cubensis C.DC.

     Peperomia cuchumatanica Véliz

     Peperomia cueroensis Britton

     Peperomia cumbreana Trel. & Yunck.

     Peperomia cumulicola Small

     Peperomia cundinamaracana Trel. & Yunck.

     Peperomia cuprea Trel.

     Peperomia cupularis Urb.

     Peperomia curruciformis Trel.

     Peperomia curticaulis Trel.

     Peperomia curtipes Trel.

     Peperomia curtipes var. contracta Trel.

     Peperomia curtispica C.DC.

     Peperomia cusilluyocana Trel.

     Peperomia cuspidata Dahlst.

     Peperomia cuspidilimba C.DC.

     Peperomia cyclaminoides A.W.Hill

     Peperomia cyclophila Miq.

     Peperomia cyclophylla f. zuliaensis Steyerm.

     Peperomia cyclophylla Miq.

     Peperomia dahlstedtii C.DC.

     Peperomia daiquiriana Trel.

     Peperomia damazii C.DC.

     Peperomia dantoana Trel.

     Peperomia davisii Britton

     Peperomia dawsonii Trel.

     Peperomia debilipes Trel.

     Peperomia debilipes var. dimorpha Trel.

     Peperomia deceptrix Trel.

     Peperomia decipiens C.DC.

     Peperomia decora Dahlst.

     Peperomia decora Dahlst. var. decora

     Peperomia decora var. pilosa Yunck.

     Peperomia decurrens C.DC.

     Peperomia defluens Trel.

     Peperomia defracta Trel.

     Peperomia degeneri Yunck.

     Peperomia delascioi Steyerm.

     Peperomia delicatissima var. venusta Trel.

     Peperomia delicatula Henschen

     Peperomia dendroides Trel.

     Peperomia dendrophila Schltdl.

     Peperomia deodorata Trel.

     Peperomia dependens Ruiz & Pav.

     Peperomia deppeana Schltdl. & Cham.

     Peperomia diamantinensis Carv.-Silva, E.F.Guim. & P.S.Câmara

     Peperomia diaphana f. major Dahlst.

     Peperomia diaphana f. minor Dahlst.

     Peperomia diaphana Miq.

     Peperomia diaphanoides Dahlst.

     Peperomia dichotoma Regel

     Peperomia diffusa C.DC.

     Peperomia dimota Trel. & Yunck.

     Peperomia dindygulensis Miq.

     Peperomia diruptorum Trel.

     Peperomia discilimba Trel. & Yunck.

     Peperomia discillimba Trel. & Yunck.

     Peperomia discolor (Sw.) Loudon

     Peperomia disjunctiflora Yunck.

     Peperomia dissitiflora C.DC.

     Peperomia distachya (L.) A.Dietr.

     Peperomia disticha Yunck.

     Peperomia divaricata Yunck.

     Peperomia dolabriformis Kunth

     Peperomia dolabriformis var. brachyphylla Rauh

     Peperomia dolabriformis var. confertifolia Yunck.

     Peperomia dolosa Trel.

     Peperomia dominicana C.DC.

     Peperomia donaguiana C.DC.

     Peperomia donaguiana var. longifilamentosa C.DC.

     Peperomia donnell-smithii C.DC.

     Peperomia dotana Trel.

     Peperomia drusophila C.DC.

     Peperomia duartei Yunck.

     Peperomia duartensis Trel.

     Peperomia dubia Balle

     Peperomia duidana Trel.

     Peperomia duricaulis Trel.

     Peperomia earlei Trel.

     Peperomia ebingeri Yunck.

     Peperomia eburnea Sodiro

     Peperomia eburnea var. robustior Yunck.

     Peperomia edulis Miq.

     Peperomia eekana C.DC.

     Peperomia effusa Yunck.

     Peperomia efimbriata Trel.

     Peperomia eggersii C.DC.

     Peperomia egleri Yunck.

     Peperomia elata C.DC.

     Peperomia elatior G.Mathieu

     Peperomia elegans C.DC.

     Peperomia elegantifolia Trel.

     Peperomia ellipticibacca C.DC.

     Peperomia ellsworthii Trel.

     Peperomia elmeri C.DC.

     Peperomia elongata Kunth

     Peperomia elongata var. guianensis Yunck.

     Peperomia elongata var. piliramea Trel. & Yunck.

     Peperomia elsana Trel. & Yunck.

     Peperomia emarginella (Sw. ex Wikstr.) C.DC.

     Peperomia emarginella Ruiz & Pav.

     Peperomia emarginulata C.DC.

     Peperomia emiliana C.DC.

     Peperomia endlicheri Miq.

     Peperomia endlicheri var. fijiana Yunck.

     Peperomia enenyasensis Trel.

     Peperomia epidendron C.DC.

     Peperomia epilobioides Trel. & Yunck.

     Peperomia epilobioides var. glabrilimba Yunck.

     Peperomia epipremnifolia D.Monteiro & Leitman

     Peperomia erikii Yunck.

     Peperomia eripipunctulata Trel.

     Peperomia erythroclada C.DC.

     Peperomia erythroclada var. picta Yunck.

     Peperomia erythropremna Trel.

     Peperomia esmeraldana C.DC.

     Peperomia esperanzana Trel.

     Peperomia espinosae Yunck.

     Peperomia estrellana Trel.

     Peperomia evadens Trel.

     Peperomia exigua (Blume) Miq.

     Peperomia exiliramea Trel.

     Peperomia expallescens C.DC.

     Peperomia expallescens var. brevipilosa Yunck.

     Peperomia fagerlindii Yunck.

     Peperomia falanana Trel. & Yunck.

     Peperomia falconensis Steyerm.

     Peperomia famelica Trel.

     Peperomia farctifolia Trel. & Yunck.

     Peperomia faveolata

     Peperomia fawcettii C.DC.

     Peperomia fendleriana C.DC.

     Peperomia fernandeziana Miq.

     Peperomia fernandopoiana C.DC.

     Peperomia ferreyrae Yunck.

     Peperomia ficta Trel.

     Peperomia fiebrigii C.DC.

     Peperomia fieldiana Trel.

     Peperomia filicidecorans Trel.

     Peperomia filiformis (Sw.) A.Dietr.

     Peperomia flagitans Trel.

     Peperomia flavamenta Trel.

     Peperomia flavescens C.DC.

     Peperomia flavescentifolia Trel.

     Peperomia flavida C.DC.

     Peperomia flavida var. pubinervis Yunck.

     Peperomia flexicaulis Wawra

     Peperomia flexinervia Yunck.

     Peperomia flexuosa Yunck.

     Peperomia floresensis Trel.

     Peperomia floridana Small

     Peperomia floridensis Trel.

     Peperomia fluviatilis Yunck.

     Peperomia foliiflora Ruiz & Pav.

     Peperomia foliosa Kunth

     Peperomia foraminum C.DC.

     Peperomia forbesii Yunck.

     Peperomia fortipes Trel.

     Peperomia fournieri C.DC.

     Peperomia foveolata Steyerm.

     Peperomia fraseri C.DC.

     Peperomia friabilis Trel.

     Peperomia fruticetorum C.DC.

     Peperomia fumeana var. stehlei Trel.

     Peperomia fundacionensis Steyerm.

     Peperomia fuscipunctata Yunck.

     Peperomia fusco-ciliata Trel.

     Peperomia galapagensis Hook.f. ex Miq.

     Peperomia galiifolia Trel.

     Peperomia galioides Kunth

     Peperomia galioides var. suratana Trel.

     Peperomia gardneriana Miq.

     Peperomia gaultheriifolia Sodiro

     Peperomia gayi C.DC.

     Peperomia gazautana Yunck.

     Peperomia gehrigeri Trel. & Yunck.

     Peperomia geminispica Trel. & Yunck.

     Peperomia gentryi Steyerm.

     Peperomia gibbsiae C.DC.

     Peperomia gilberti Trel.

     Peperomia glabella (Sw.) A.Dietr.

     Peperomia glabella (Sw.) A.Dietr. var. glabella

     Peperomia glabella f. parvifolia Kuntze

     Peperomia glabella var. melanostigma (Miq.) Dahlst.

     Peperomia glabella var. nervulosa (C.DC.) Yunck.

     Peperomia glabella var. nigropunctata (Miq.) Dahlst.

     Peperomia glabella var. nudipetiolata Trel. & Yunck.

     Peperomia glabripes C.DC.

     Peperomia glandulosa C.DC.

     Peperomia glareosa Trel.

     Peperomia glassmanii Yunck.

     Peperomia glaziovii C.DC.

     Peperomia gleicheniiformis Trel.

     Peperomia globulanthera C.DC.

     Peperomia glutinosa Millsp.

     Peperomia goetzeana Engl.

     Peperomia gorgonillana Trel. & Yunck.

     Peperomia gorgonillana var. hirsutula Trel. & Yunck.

     Peperomia gracieana Görts

     Peperomia gracilicaulis Yunck.

     Peperomia gracilipeduncula Yunck.

     Peperomia gracilipes [ined.]

     Peperomia gracilis Dahlst.

     Peperomia gracillima S.Watson

     Peperomia gracillimum Trel.[ined.]

     Peperomia granulata Trel. & Yunck.

     Peperomia granulatifolia Trel.

     Peperomia granulatilimba Trel.

     Peperomia granulosa Trel.

     Peperomia graveolens Rauh & Barthlott

     Peperomia grisebachii C.DC.

     Peperomia guadaloupensis C.DC.

     Peperomia guamana C.DC.

     Peperomia guanensis Trel.

     Peperomia guapilesiana Trel.

     Peperomia guayabalana Trel.

     Peperomia gutierrezana Trel. & Yunck.

     Peperomia guttulata Sodiro

     Peperomia guttulata var. puberulenta Yunck.

     Peperomia hadrostachya Yunck.

     Peperomia haematolepis Trel.

     Peperomia harrisii C.DC.

     Peperomia hartwegiana Miq.

     Peperomia hassleri C.DC.

     Peperomia haughtii Trel. & Yunck.

     Peperomia hawaiensis C.DC.

     Peperomia hebetata Trel. & Yunck.

     Peperomia helleri C.DC.

     Peperomia helminthostachya Sodiro

     Peperomia hendersonensis Yunck.

     Peperomia herbert-smithii Trel. & Yunck.

     Peperomia herminieri var. stigmatifera C.DC.

     Peperomia hernandiifolia (Vahl) A.Dietr.

     Peperomia herzogii C.DC.

     Peperomia hesperomannii Wawra

     Peperomia heterodoxa Standl. & Steyerm.

     Peperomia heterophylla Miq.

     Peperomia heydei var. brevipeduncula C.DC.

     Peperomia heydei var. brevipedunculata C.DC.

     Peperomia heydei var. minor C.DC.

     Peperomia heyneana Miq.

     Peperomia hilariana Miq.

     Peperomia hintonii Yunck.

     Peperomia hirsutifolia Trel.

     Peperomia hirta C.DC.

     Peperomia hirtella Miq.

     Peperomia hirtellicaulis Yunck.

     Peperomia hirtipetiola C.DC.

     Peperomia hirtipetiola var. longilimba

     Peperomia hispidorhachis Yunck.

     Peperomia hispidula (Sw.) A.Dietr.

     Peperomia hispidula var. ellipticifolia Trel. & Yunck.

     Peperomia hispidula var. muscophila (C.DC.) C.DC.

     Peperomia hispidula var. sellowiana (Miq.) Dahlst.

     Peperomia hispiduliformis Trel.

     Peperomia hispiduliformis var. ciliosa Yunck.

     Peperomia hobbitoides T.Wendt

     Peperomia hoffmannii C.DC.

     Peperomia hombronii C.DC.

     Peperomia hondoana Trel. & Standl.

     Peperomia houelmonte Trel.

     Peperomia huacapistanana Trel.

     Peperomia huahinensis var. tahaensis Yunck.

     Peperomia huantana Trel.

     Peperomia huanucoana Trel.

     Peperomia huberi C.DC.

     Peperomia humilis A.Dietr.

     Peperomia humilis var. stehlei Trel. ex Stehlé & Quentin

     Peperomia hutchisonii Yunck.

     Peperomia hydrocotyloides Miq.

     Peperomia hydrocotyloides var. major Yunck.

     Peperomia hydrocotyloides var. prolifera Trel.

     Peperomia hydrocotyloides var. setosa Yunck.

     Peperomia hylophila C.DC.

     Peperomia hypoleuca Miq.

     Peperomia hypoleuca var. pluvigaudens

     Peperomia ibiramana Yunck.

     Peperomia ilaloensis Sodiro

     Peperomia imbracteata Yunck.

     Peperomia immolata Trel. & Yunck.

     Peperomia inaequalifolia Ruiz & Pav.

     Peperomia inaqualina [ined.]

     Peperomia inaudax Trel.

     Peperomia incana (Haw.) Hook.

     Peperomia infralutea Trel. & Yunck.

     Peperomia infravillosa Trel.

     Peperomia insueta Trel.

     Peperomia insularum Miq.

     Peperomia ioeides Trel. & Yunck.

     Peperomia ionophylla Griseb.

     Peperomia itatiaiana Yunck.

     Peperomia itayana Trel.

     Peperomia izalcoana Trel.

     Peperomia jaliscana S.Watson

     Peperomia jamesoniana (Miq.) C.DC.

     Peperomia jamesoniana var. longifolia Trel. & Yunck.

     Peperomia japonica Makino

     Peperomia jimenesana (C.DC.) Trel.

     Peperomia josei Yunck.

     Peperomia juniniana Trel.

     Peperomia juruana C.DC.

     Peperomia kalihiana Yunck.

     Peperomia kandavuana Yunck.

     Peperomia klotzschiana Miq.

     Peperomia klugiana Trel. & Yunck.

     Peperomia koepperi Trel.

     Peperomia kokeana Yunck.

     Peperomia kunthiana C.DC.

     Peperomia kuntzei C.DC.

     Peperomia kusaiensis Hosok.

     Peperomia laesa Trel.

     Peperomia laevifolia (Blume) Miq.

     Peperomia lagunaensis C.DC.

     Peperomia lanaoensis C.DC.

     Peperomia lanceolata C.DC.

     Peperomia lanceolatopeltata C.DC.

     Peperomia lancetillana Trel.

     Peperomia lancetillana var. spathifolia Trel.

     Peperomia lancifolia Hook.

     Peperomia lancifolioidea W.C.Burger

     Peperomia langsdorffii Miq.

     Peperomia larana Yunck.

     Peperomia larecajana var. angustifolia Yunck.

     Peperomia lasiostigma C.DC.

     Peperomia lasiostigma var. carnosa (C.DC.) Yunck.

     Peperomia lasiostigma var. tomaniviensis Yunck.

     Peperomia latifolia Miq.

     Peperomia laudabilis Trel.

     Peperomia lawrancei Trel. & Yunck.

     Peperomia laxiflora Kunth

     Peperomia lehmannii C.DC.

     Peperomia lentibacca C.DC.

     Peperomia lenticularis Dahlst.

     Peperomia leoclemerocana Trel.

     Peperomia lepadiphylla Trel.

     Peperomia leptophylla Miq.

     Peperomia leptostachya Hook. & Arn.

     Peperomia leptostachya var. attenuspica

     Peperomia leptostachyoides C.DC.

     Peperomia leridana Trel.

     Peperomia leuconeura Trel.

     Peperomia leucorrhachis Sodiro ex C.DC.

     Peperomia leucostachya C.DC.

     Peperomia leucostachya var. tolimensis Trel. & Yunck.

     Peperomia leucosticta Trel.

     Peperomia lewisii Proctor

     Peperomia liebmannii C.DC.

     Peperomia liesneri Steyerm.

     Peperomia lignescens C.DC.

     Peperomia ligustrina Hillebr.

     Peperomia ligustrina var. oopualana Yunck.

     Peperomia liliifolia C.DC.

     Peperomia liliifolia var. honokahauana Yunck.

     Peperomia liliifolia var. nudilimba Yunck.

     Peperomia liliifolia var. psilostigma Yunck.

     Peperomia linaresii Véliz

     Peperomia lindeniana Miq.

     Peperomia lindmaniana Dahlst.

     Peperomia linearis C.DC.

     Peperomia litana Trel. & Yunck.

     Peperomia loefgrenii Yunck.

     Peperomia lonchophylla C.DC.

     Peperomia lonchophylloides C.DC.

     Peperomia longemucronata C.DC.

     Peperomia longilimba C.DC.

     Peperomia longirostrata Yunck.

     Peperomia longispicata C.DC.

     Peperomia lorentzii C.DC.

     Peperomia losoensis Trel.

     Peperomia loxensis Kunth

     Peperomia lunana Trel.

     Peperomia lyman-smithii var. macrophylla Yunck.

     Peperomia lyman-smithii Yunck.

     Peperomia macorisiana Trel.

     Peperomia macraeana C.DC.

     Peperomia macrandra C.DC.

     Peperomia macrophylla C.DC.

     Peperomia macrostachya (Vahl) A.Dietr.

     Peperomia macrostachya var. nematostachya (Link) Trel. & Yunck.

     Peperomia macrostachyos (Vahl) A.Dietr.

     Peperomia macrothyrsa Miq.

     Peperomia macrotricha C.DC.

     Peperomia maculosa (L.) Hook.

     Peperomia maestrana Trel.

     Peperomia magnifoliiflora G.Mathieu

     Peperomia magnoliaefolia var. microphylla Dahlst.

     Peperomia magnoliifolia (Jacq.) A.Dietr.

     Peperomia magnoliifolia (Jacq.) A.Dietr. var. magnoliifolia

     Peperomia magnoliifolia var. rostrata Dahlst.

     Peperomia maguirei Yunck.

     Peperomia mala Trel.

     Peperomia maleuvreana Trel.

     Peperomia mameiana C.DC. ex A.Schroed.

     Peperomia manabina C.DC.

     Peperomia manarae Steyerm.

     Peperomia mandiocana Miq.

     Peperomia mandonii C.DC.

     Peperomia mandonii subsp. excelsis C.DC.

     Peperomia manicorensis Trel.

     Peperomia mansericheana Trel.

     Peperomia mapulehuana Yunck.

     Peperomia marcapatana Trel.

     Peperomia marcoana C.DC.

     Peperomia margaritaria Trel.

     Peperomia margaritifera Bertero

     Peperomia marginata Miq.

     Peperomia mariannensis C.DC.

     Peperomia marivelesana C.DC.

     Peperomia martiana Miq.

     Peperomia martinicensis C.DC.

     Peperomia martinicensis var. lata Trel.

     Peperomia matapalo Trel.

     Peperomia mathewsiana Miq.

     Peperomia matlalucaensis C.DC.

     Peperomia mauiensis Wawra

     Peperomia mayoilis [ined.]

     Peperomia maypurensis Kunth

     Peperomia megalepis Trel.

     Peperomia megalopoda Trel.

     Peperomia megapotamica Dahlst.

     Peperomia melanosticta Sodiro

     Peperomia melinii Yunck.

     Peperomia membranacea Hook. & Arn.

     Peperomia membranacea var. brevifolia

     Peperomia membranacea var. puukukuiana Yunck.

     Peperomia membranacea var. waimeana Yunck.

     Peperomia mercedana C.DC.

     Peperomia mercedana var. carapatana Trel.

     Peperomia meridana Yunck.

     Peperomia merrillii C.DC.

     Peperomia metallica Linden & Rodigas

     Peperomia mexicana (Miq.) Miq.

     Peperomia microphylla Kunth

     Peperomia microphyllophora Trel. & Yunck.

     Peperomia microreticulata Steyerm.

     Peperomia microstachya C.DC.

     Peperomia minensis Henschen

     Peperomia miqueliana C.DC.

     Peperomia miradorense C.DC.

     Peperomia mishuyacuanum Trel.

     Peperomia misionense Yunck.

     Peperomia mohriana [ined.]

     Peperomia molithrix Trel. & Standl.

     Peperomia molleri C.DC.

     Peperomia mollipubis Trel.

     Peperomia mollis Kunth

     Peperomia mollisoides Yunck.

     Peperomia monoceros Trel. [ined.]

     Peperomia montecristana Trel.

     Peperomia monticola Miq.

     Peperomia montis-verticis Trel.

     Peperomia montium C.DC.

     Peperomia moralesii Véliz

     Peperomia mosenii Dahlst.

     Peperomia muelleri C.DC.

     Peperomia multiformis Trel.

     Peperomia multiplinervia Trel. & Yunck.

     Peperomia multispica C.DC.

     Peperomia muralis Yunck.

     Peperomia muscipara Trel. & Yunck.

     Peperomia muscophila C.DC.

     Peperomia muscotecta Trel.

     Peperomia mutilata Trel.

     Peperomia myrtifolia (Vahl) A.Dietr.

     Peperomia myrtifolia var. major Trel.

     Peperomia naevifolia Trel.

     Peperomia nakaharai Hayata

     Peperomia namosiana Yunck.

     Peperomia nandalana var. nudipeduncula Yunck.

     Peperomia nandalana Yunck.

     Peperomia nandarivatensis Yunck.

     Peperomia neblinana Yunck.

     Peperomia nebuligaudens Trel.

     Peperomia necessitaria Trel. [ined.]

     Peperomia negotiosa Trel.

     Peperomia negrosensis C.DC.

     Peperomia nematostachya Link

     Peperomia nequejahuirana Trel.

     Peperomia nievecitana Trel.

     Peperomia nigricans Trel.

     Peperomia nigrooculata Trel.

     Peperomia nigropunctata Miq.

     Peperomia nigropunctata var. absalonis Trel.

     Peperomia nilssonii Yunck.

     Peperomia nitida Dahlst.

     Peperomia nivalis Miq.

     Peperomia nizaitoensis C.DC.

     Peperomia nodosa Yunck.

     Peperomia novae-helvetiae Trel.

     Peperomia novella Trel.

     Peperomia novemnervia C.DC.

     Peperomia nudicaulis C.DC.

     Peperomia nudifolia C.DC.

     Peperomia nudipetiolata Trel. & Yunck.

     Peperomia nummularia Trel.

     Peperomia nummulariifolia Humb., Bonpl. & Kunth

     Peperomia nummularioides Griseb.

     Peperomia oahuensis C.DC.

     Peperomia oahuensis var. saintjohnii Yunck.

     Peperomia oblanceolata Trel.

     Peperomia oblanceolata var. glabra Yunck.

     Peperomia oblongibacca var. macrophylla Yunck.

     Peperomia obovalifolia

     Peperomia obovalis Trel. & Yunck.

     Peperomia obovatilimba C.DC.

     Peperomia obscurifolia C.DC.

     Peperomia obtusifolia (L.) A.Dietr.

     Peperomia obtusifolia (L.) A.Dietr. var. obtusifolia

     Peperomia obtusifolia var. alveolata (Trel.) Alain

     Peperomia obtusifolia var. cuneata (Miq.) Griseb.

     Peperomia ocoana Ekman ex Trel.

     Peperomia ocumarana Trel. & Yunck.

     Peperomia oerstedii C.DC.

     Peperomia okarana Trel.

     Peperomia olafiana Trel.

     Peperomia olens C.DC.

     Peperomia olivacea C.DC.

     Peperomia orbiculimba var. mathuataensis Yunck.

     Peperomia orbiculimba Yunck.

     Peperomia orchidioides [ined.]

     Peperomia oreophila Henschen

     Peperomia ornata Yunck.

     Peperomia oscarii Trel. & Yunck.

     Peperomia ouabianae C.DC.

     Peperomia ouabianae C.DC. var. ouabianae

     Peperomia ouabianae var. falconense Steyerm. [ined.]

     Peperomia ouabianae var. sanluisensis Steyerm.

     Peperomia ovato-lanceolata Trel. & Yun

     Peperomia pachiteana Trel.

     Peperomia pachydermis C.DC.

     Peperomia pachystachya C.DC.

     Peperomia palauensis

     Peperomia palauensis C.DC.

     Peperomia pallida A.Dietr.

     Peperomia pallida var. adamsonia F.Br.

     Peperomia pallida var. niueana Yunck.

     Peperomia pallidibacca C.DC.

     Peperomia pallidinervis C.DC.

     Peperomia palmae Trel.

     Peperomia palmana C.DC.

     Peperomia palmiriensis C.DC.

     Peperomia palogordoana [ined.]

     Peperomia palpebrata Trel.

     Peperomia palpebrata var. major Trel.

     Peperomia pampalcana Trel.

     Peperomia pamplonana Trel.

     Peperomia panamensis C.DC.

     Peperomia panamensis var. brevibacca Yunck.

     Peperomia parasitica C.DC.

     Peperomia parcifolia C.DC.

     Peperomia parhamii var. glabra Yunck.

     Peperomia pariensis Steyerm.

     Peperomia parva Trel.

     Peperomia parvifolia C.DC.

     Peperomia parvulifolia Trel.

     Peperomia pascuicola C.DC.

     Peperomia patibulifolia Trel.[ined.]

     Peperomia pavoniana C.DC.

     Peperomia pecuniifolia Trel. & Standl.

     Peperomia pedicellata Dahlst.

     Peperomia pedritoi Trel.

     Peperomia pellucida (L.) Kunth

     Peperomia pellucida var. becerrilana Trel.

     Peperomia pellucidoides Yunck.

     Peperomia pellucidopunctulata C.DC.

     Peperomia peltaphylla Trel. & Yunck.

     Peperomia peltifolia C.DC.

     Peperomia peltigera C.DC.

     Peperomia peltilimba C.DC. ex Trel.

     Peperomia peltoidea Kunth

     Peperomia penduliramea Yunck.

     Peperomia penicillata C.DC.

     Peperomia pennellii Trel. & Yunck.

     Peperomia penninervia Yunck.

     Peperomia perciliata Yunck.

     Peperomia pereirae var. hirtulicaule Yunck.

     Peperomia pereirae Yunck.

     Peperomia pereneana Trel.

     Peperomia pereskiifolia (Jacq.) Kunth

     Peperomia pergamentacea Trel.

     Peperomia perglandulosa C.DC.

     Peperomia perherbacea Trel.

     Peperomia perinduta var. nashii Trel.

     Peperomia perlongicaulis Yunck.

     Peperomia perlongipes C.DC.

     Peperomia perlongispica Yunck.

     Peperomia pernambucensis Miq.

     Peperomia perodiniana Trel.

     Peperomia perrottetiana Miq.

     Peperomia persuccosa C.DC.

     Peperomia persuculenta Yunck.

     Peperomia persulcata Yunck.

     Peperomia peruviana Dahlst.

     Peperomia peruviana var. major A.W.Hill ex Yunck.

     Peperomia petenensis var. hondurensis Trel.

     Peperomia petiolaris C.DC.

     Peperomia petiolata Hook.f.

     Peperomia petrophila C.DC.

     Peperomia petrophila var. brevipetiola Trel. & Yunck.

     Peperomia philipsonii var. panamensis Yunck.

     Peperomia phyllanthopsis Trel. & Yunck.

     Peperomia physostachys Jeppesen

     Peperomia pichinchae C.DC.

     Peperomia pichisensis Trel.

     Peperomia piedrana Trel.

     Peperomia pilicaulis C.DC.

     Peperomia pillahuantana Trel.

     Peperomia pilosa Ruiz & Pav.

     Peperomia pilosior Miq.

     Peperomia pilostigma Yunck.

     Peperomia pinedoana Trel.

     Peperomia pinoi G.Mathieu

     Peperomia piresii Yunck.

     Peperomia pitcairnensis C.DC.

     Peperomia pitiguayana Trel.

     Peperomia pittieri C.DC.

     Peperomia pleiomorpha Trel.

     Peperomia poasana C.DC.

     Peperomia pololuana Yunck.

     Peperomia polybotrya Kunth

     Peperomia polystachya Hook. & Arn.

     Peperomia polystachyoides Dahlst.

     Peperomia ponapensis C.DC.

     Peperomia pontina Trel.

     Peperomia popayanensis Trel. & Yunck.

     Peperomia porriginifera Trel. & Yunck.

     Peperomia portobellensis Beurl.

     Peperomia portoricensis Urb.

     Peperomia portuguensensis Steyerm.

     Peperomia praematra Trel. & Yunck.

     Peperomia praematura Trel. & Yunck.

     Peperomia praeruptorum Trel.

     Peperomia praestigiatrix Trel.

     Peperomia praeteruentifolia Trel.

     Peperomia preussii C.DC.

     Peperomia pringlei C.DC.

     Peperomia proctorii Yunck.

     Peperomia procumbens C.DC.

     Peperomia prolifera Yunck.

     Peperomia prostrata B.S.Williams

     Peperomia pruinosifolia Trel.

     Peperomia pseudo-rufescens C.DC.

     Peperomia pseudo-umblicata Yunck.

     Peperomia pseudoalpina Trel.

     Peperomia pseudoalternifolia Trel. & Yunck.

     Peperomia pseudobcordata Yunck.

     Peperomia pseudocobana Yunck.

     Peperomia pseudodependens C.DC.

     Peperomia pseudodindygulensis C.DC.

     Peperomia pseudoestrellensis C.DC.

     Peperomia pseudofurcata C.DC.

     Peperomia pseudoglabella Steyerm.

     Peperomia pseudohodgei Callejas

     Peperomia pseudojamesoniana Steyerm.

     Peperomia pseudopeltoidea C.DC.

     Peperomia pseudopereskiaefolia C.DC.

     Peperomia pseudopereskiifolia C.DC.

     Peperomia pseudophyllantha Samain

     Peperomia pseudorhynchophora C.DC.

     Peperomia pseudorhynchophoros C.DC.

     Peperomia psilophylla C.DC.

     Peperomia psilostachya C.DC.

     Peperomia psilostachya var. angustifolia C.DC.

     Peperomia pteroneura C.DC.

     Peperomia pubericaulis Trel.

     Peperomia puberulilimba C.DC.

     Peperomia pubescens Ruiz & Pav.

     Peperomia pubinervosa Trel.

     Peperomia pubipeduncula Yunck.

     Peperomia pubiramea Trel.

     Peperomia pubirhachis Yunck.

     Peperomia pulicaris Opiz

     Peperomia pullispica Trel.

     Peperomia pululaguana C.DC.

     Peperomia pumila Opiz

     Peperomia punctatilamina Trel. & Yunck.

     Peperomia punctulata Regel

     Peperomia punctulatissma Trel.

     Peperomia punicea Dahlst.

     Peperomia pupluloides

     Peperomia purpurinervis C.DC.

     Peperomia purpurinodis Yunck.

     Peperomia pustulaebacca Trel.

     Peperomia puteolata Trel.

     Peperomia pyramidata Sodiro

     Peperomia quadrangularis (J.V.Thomps.) A.Dietr.

     Peperomia quadrantana [ined.]

     Peperomia quadratifolia Trel.

     Peperomia quadricoma Trel.

     Peperomia quadrifolia (L.) Kunth

     Peperomia quadrifolia var. angustata Dahlst.

     Peperomia quaerata Trel.

     Peperomia quaesita Trel.

     Peperomia questeliana Stehlé & Trel.

     Peperomia questionis G.Mathieu

     Peperomia quimiriana Trel.

     Peperomia quindioensis Trel. & Yunck.

     Peperomia racemifolia Trel.

     Peperomia radicans C.DC.

     Peperomia radicosa Yunck.

     Peperomia raivavaeana var. rimatarana Yunck.

     Peperomia raivavaeana var. tubuaiana Yunck.

     Peperomia raivavaeana Yunck.

     Peperomia ramboi Yunck.

     Peperomia rapensis F.Br.

     Peperomia rata Trel.

     Peperomia rechingerae var. aopoana Yunck.

     Peperomia rechingerae var. subrepens Yunck.

     Peperomia recurvata Miq.

     Peperomia recurvata var. longispica C.DC. [ined.]

     Peperomia recurvata var. pilosior C.DC. [ined.]

     Peperomia reflexa

     Peperomia reflexa (L.f.) A.Dietr.

     Peperomia reflexa var. geraensis Dahlst.

     Peperomia regelii C.DC.

     Peperomia reineckei C.DC.

     Peperomia reineckei var. glabrior (C.DC.) Yunck.

     Peperomia reineckei var. umbricola (C.DC.) Yunck.

     Peperomia remyi C.DC.

     Peperomia remyi var. waipioana Yunck.

     Peperomia renifolia Dahlst.

     Peperomia reptabunda Trel.

     Peperomia reptans C.DC.

     Peperomia reptilis C.DC.

     Peperomia resediflora Linden & André

     Peperomia retivenulosa Yunck.

     Peperomia retropuberula Trel.

     Peperomia retusa (L.f.) A.Dietr.

     Peperomia rhexiifolia Trel.

     Peperomia rhodophlebia Trel.

     Peperomia rhodophylla Trel.

     Peperomia rhombea Ruiz & Pav.

     Peperomia rhombifolia Trel.

     Peperomia rhomboidea Hook. & Arn.

     Peperomia rhomiblimba Trel.

     Peperomia rigidolimba C.DC.

     Peperomia rinconensis Trel.

     Peperomia rioblancoana Trel. & Yunck.

     Peperomia riocaliensis Trel. & Yunck.

     Peperomia riocangrejalensis Trel.

     Peperomia riopoasensis Trel.

     Peperomia riparia Yunck.

     Peperomia ripicola C.DC.

     Peperomia rivi-vetusti Trel.

     Peperomia rivulorum C.DC.

     Peperomia rizzini Yunck.

     Peperomia rizzinii Yunck.

     Peperomia robleana Trel. & Yunck.

     Peperomia robustior (Dahlst.) Urb.

     Peperomia rockii C.DC.

     Peperomia roigiana Trel.

     Peperomia romaensis Trel.

     Peperomia rosea Trel.

     Peperomia roseocaulis Yunck.

     Peperomia rostulatiformis Yunck.

     Peperomia rotundata Kunth

     Peperomia rotundifolia (L.) Kunth

     Peperomia rotundifolia (L.) Kunth var. rotundifolia

     Peperomia rotundifolia f. obcordata (Miq.) Dahlst.

     Peperomia rotundifolia var. mazana Trel.

     Peperomia rotundifolia var. pilosior (Miq.) C.DC.

     Peperomia rubefacta Trel.

     Peperomia rubefacta var. cangrejalana Trel.

     Peperomia rubefacta var. reducta Trel.

     Peperomia rubens Trel.

     Peperomia rubioides Kunth

     Peperomia rubricaulis (Nees) A.Dietr.

     Peperomia rubricaulis var. parvifolia Yunck.

     Peperomia rubrifolia Trel.

     Peperomia rugata Trel.

     Peperomia rugosa C.C.Berg, E.A.Mennega & J.Tolsma

     Peperomia Ruiz & Pav.

     Peperomia rupertiana C.DC.

     Peperomia rupestris Kunth

     Peperomia rupestris Kunth var. rupestris

     Peperomia rupestris var. cordifolia Wawra

     Peperomia rupicola C.DC.

     Peperomia rurrenabaqueana Trel.

     Peperomia rurutana Yunck.

     Peperomia rusbyi C.DC.

     Peperomia sachatzinzumba Trel. & Yunck.

     Peperomia salaminana Trel. & Yunck.

     Peperomia salicifolia C.DC.

     Peperomia saligna Humb., Bonpl. & Kunth

     Peperomia saligna Kunth

     Peperomia saligna var. majuscula Yunck.

     Peperomia samanicola Trel.

     Peperomia samoensis Warb.

     Peperomia san-martinensis Trel.

     Peperomia sancarlosiana C.DC.

     Peperomia sandemanii Yunck.

     Peperomia sandersonii [ined.]

     Peperomia sandwicensis Miq.

     Peperomia sanjoseana C.DC.

     Peperomia sanpedroana Trel.

     Peperomia santa-elisae C.DC.

     Peperomia santaelisae C.DC.

     Peperomia santahelenae Trel.

     Peperomia santamartae (C.DC.) Trel. & Yunck. [ined.]

     Peperomia santanderana Trel. & Yunck.

     Peperomia santiagoana Trel.

     Peperomia sarcocarpa Trel.

     Peperomia sarcodes Trel.

     Peperomia sarcostachya Trel.

     Peperomia sarcostachya var. repens Trel.

     Peperomia saxicola C.DC.

     Peperomia scandens Ruiz & Pav.

     Peperomia schiedeana Schltdl.

     Peperomia schlumbergeriana

     Peperomia schultzei Trel. & Yunck.

     Peperomia schunkeana Trel.

     Peperomia schwackei C.DC.

     Peperomia scutellaefolia Ruiz & Pav.

     Peperomia scutellariifolia Sodiro

     Peperomia scutellata C.DC.

     Peperomia scutifolia C.DC.

     Peperomia scutilimba Yunck.

     Peperomia secunda Ruiz & Pav.

     Peperomia seemanniana Miq.

     Peperomia seibertii Trel.

     Peperomia seleri C.DC.

     Peperomia semisupina Trel.

     Peperomia septemnervis Ruiz & Pav.

     Peperomia septentrionalis S.Br.

     Peperomia serpens (Sw.) Loudon

     Peperomia serpentarioides Miq.

     Peperomia serratirhachis Yunck.

     Peperomia silvarum C.DC.

     Peperomia silvivaga C.DC.

     Peperomia similis Britton

     Peperomia simplex Desv. ex Ham.

     Peperomia simulans C.DC.

     Peperomia simulatio Trel.

     Peperomia sincorana C.DC.

     Peperomia sintenisii C.DC.

     Peperomia siryngifolia C.DC.

     Peperomia skottsbergii C.DC. ex Skottsb.

     Peperomia smithiana C.DC.

     Peperomia smithii Trel.

     Peperomia sneidernii Yunck.

     Peperomia sodiroi C.DC.

     Peperomia spathophylla Dahlst.

     Peperomia spathophylla var. monteverdensis C.DC.

     Peperomia spathulifolia Small

     Peperomia sphagnicola Trel.

     Peperomia spiculata Trel.

     Peperomia spruceana Benth. ex C.DC.

     Peperomia sprucei C.DC.

     Peperomia st.johnii Yunck.

     Peperomia standleyi Trel.

     Peperomia stehleana Trel.

     Peperomia stehleana var. bourgesensis Trel. & Stehlé

     Peperomia stehleana var. branquecii Stehlé & Trel.

     Peperomia stehleana var. charpentieri Trel. & Stehlé

     Peperomia stehleana var. regretteana Trel. & Stehlé

     Peperomia stehleana var. tardenaevifera Trel. & Stehlé

     Peperomia stehleana var. tardigranulata Trel. & Stehlé

     Peperomia stehleana var. variifolia Trel. ex Stehlé & Quentin

     Peperomia steinbachii Yunck.

     Peperomia stelechophila C.DC.

     Peperomia stelecophila var. glabrata Trel.

     Peperomia stellata (Sw.) A.Dietr.

     Peperomia stenocarpa Regel

     Peperomia steyermarkii Yunck.

     Peperomia stilifera var. nana Yunck.

     Peperomia stilifera Yunck.

     Peperomia stolonifera Kunth

     Peperomia strawii Hutchison ex Pino & Klopfenstein

     Peperomia striata Ruiz & Pav.

     Peperomia stroemfeltii Dahlst.

     Peperomia stuebelii C.DC.

     Peperomia subalata C.DC.

     Peperomia subandina Trel.

     Peperomia subbasellaefolia Trel.

     Peperomia subblanda C.DC.

     Peperomia subbracteiflora C.DC.

     Peperomia subcalvescens Trel.

     Peperomia subemarginata Yunck.

     Peperomia subflaccida Yunck.

     Peperomia subgeminispica Trel.

     Peperomia subglabra var. tuamotensis (Setch.) F.Br.

     Peperomia submarginata Yunck.

     Peperomia suboppositifolia Yunck.

     Peperomia subpetiolata Yunck.

     Peperomia subpilosa Yunck.

     Peperomia subpubistachya Yunck.

     Peperomia subrenifolia Trel. & Yunck.

     Peperomia subrenifolia var. microphylla (C.DC.) Trel. & Yunck.

     Peperomia subretusa Yunck.

     Peperomia subroseispica C.DC.

     Peperomia subrotundifolia C.DC.

     Peperomia subrubescens Yunck.

     Peperomia subrubricaulis C.DC.

     Peperomia subrubrispica C.DC.

     Peperomia subrubrispica f. glabrifolia Yunck.

     Peperomia subsericata Trel.

     Peperomia subspathulata Yunck.

     Peperomia substrigosa Trel.

     Peperomia subternifolia Yunck.

     Peperomia subvillicaulis Trel.

     Peperomia succulenta C.DC.

     Peperomia sulcata C.DC.

     Peperomia sumidoriana C.DC.

     Peperomia suratana Trel. & Yunck.

     Peperomia suspensa C.DC.

     Peperomia swartziana Miq.

     Peperomia sympodialis Trel. & Yunck.

     Peperomia syringifolia C.DC.

     Peperomia tacanana Trel. & Standl.

     Peperomia taco-tacoi Trel.

     Peperomia tafelbergensis Yunck.

     Peperomia talinifolia Kunth

     Peperomia talinifolia var. longipetiolata C.DC.

     Peperomia tamayoi Trel. & Yunck.

     Peperomia tarapotana C.DC.

     Peperomia tatei Yunck.

     Peperomia taylorii C.DC.

     Peperomia tejana Trel. & Yunck.

     Peperomia tenebraegaudens Trel.

     Peperomia tenella (Sw.) A.Dietr.

     Peperomia tenella (Sw.) A.Dietr. var. tenella

     Peperomia tenella var. epiphytica Trel.

     Peperomia tenella var. glabra C.DC.

     Peperomia tenella var. tyleri (Trel.) Steyerm.

     Peperomia tenelliformis Trel.

     Peperomia tenerrima f. robustior Dahlst.

     Peperomia tenerrima Schltdl. & Cham.

     Peperomia tenuicaulis C.DC.

     Peperomia tenuiflora Opiz

     Peperomia tenuifolia C.DC.

     Peperomia tenuilimba C.DC.

     Peperomia tenuimarginata Trel. & Yunck.

     Peperomia tenuinervis Trel.

     Peperomia tenuipeduncula C.DC.

     Peperomia tenuipes Trel.

     Peperomia tequendamana Trel.

     Peperomia teresitana Trel. [ined.]

     Peperomia ternata C.DC.

     Peperomia terraegaudens Trel. & Yunck.

     Peperomia tetragona Ruiz & Pav.

     Peperomia tetraphylla (G.Forst.) Hook. & Arn.

     Peperomia tetraphylla (G.Forst.) Hook. & Arn. var. tetraphylla

     Peperomia tetraphylla f. protractifolia Yunck.

     Peperomia tetraphylla f. valantoides (Miq.) Yunck.

     Peperomia tetraphylla var. americana (Miq.) Yunck.

     Peperomia tetraphylla var. elongata O.Deg. & I.Deg.

     Peperomia tetraphylla var. parvifolia O.Deg. & I.Deg.

     Peperomia tetraphylla var. piedadeana (C.DC.) Yunck.

     Peperomia tetraphylla var. protractifolia Yunck.

     Peperomia tetraphylla var. tenera (Miq.) Yunck.

     Peperomia tetraphylla var. valantoides (Miq.) Yunck.

     Peperomia tetraquetra Sodiro

     Peperomia tetrica Trel.

     Peperomia theodori Trel.

     Peperomia thionvilleana Trel.

     Peperomia thomeana C.DC.

     Peperomia ticunhuayana Trel.

     Peperomia tillettii Steyerm.

     Peperomia tlapacoyensis C.DC.

     Peperomia tolimensis Trel. & Yunck.

     Peperomia tomentosa A.Dietr.

     Peperomia tominana C.DC.

     Peperomia toroi Trel. & Yunck.

     Peperomia tovariana C.DC.

     Peperomia tovariana var. subcepitosa Trel. & Yunck.

     Peperomia transparens Miq.

     Peperomia transparens var. spissiflora C.DC.

     Peperomia trapezoidalis Yunck.

     Peperomia treleasei Yunck.

     Peperomia tremuliformis Trel.

     Peperomia trianae C.DC.

     Peperomia trichocarpa Miq.

     Peperomia trichocaulis Trel.

     Peperomia trichoclada C.DC.

     Peperomia trichopus Trel.

     Peperomia trichostigma C.DC.

     Peperomia tricolor Trel.

     Peperomia trifolia (L.) A.Dietr.

     Peperomia trinervis Ruiz & Pav.

     Peperomia trinervis var. brachyphylla C.DC.

     Peperomia trinervis var. minor C.DC.

     Peperomia trinervis var. subnudicaulis Yunck.

     Peperomia trinervula C.DC.

     Peperomia trinervula var. roraimana C.DC.

     Peperomia trinervula var. suboppositifolia C.DC.

     Peperomia trineura Miq.

     Peperomia trineuroides Dahlst.

     Peperomia triphylla (L.) A.Dietr.

     Peperomia triplamenta Trel.

     Peperomia tristachya Kunth

     Peperomia trollii Hutchison & Rauh

     Peperomia tropeoloides Sodiro

     Peperomia trukensis Yunck.

     Peperomia trullaefolia Trel.

     Peperomia trumani Trel.

     Peperomia truncigaudens C.DC.

     Peperomia trunciseda C.DC.

     Peperomia truncivaga C.DC.

     Peperomia tsakiana C.DC.

     Peperomia tuberculata Yunck.

     Peperomia tuisana C.DC.

     Peperomia tunguarhuae Sodiro

     Peperomia turboensis Yunck.

     Peperomia tutenondana Trel. & Yunck. [ined.]

     Peperomia tutuilana Yunck.

     Peperomia tyleri Trel.

     Peperomia uaupesensis Yunck.

     Peperomia ubate-susanensis Yunck.

     Peperomia udimontana Trel. & Yunck.

     Peperomia ulei C.DC.

     Peperomia umbellifera Yunck.

     Peperomia umbelliformis C.DC.

     Peperomia umbilicata Ruiz & Pav.

     Peperomia umbrigaudens Yunck.

     Peperomia uncatispica Trel.

     Peperomia undeninervia C.DC.

     Peperomia unduavina var. trifoiata C.DC.

     Peperomia unguiculata Trel.

     Peperomia urbanii Trel.

     Peperomia urocarpa Fisch. & C.A.Mey.

     Peperomia urocarpoides C.DC.

     Peperomia urvilleana A.Rich.

     Peperomia valladolidana Yunck.

     Peperomia vallensis Trel. & Yunck.

     Peperomia valliculae Trel.

     Peperomia vana Trel.

     Peperomia variculata Trel.

     Peperomia varigera Trel.

     Peperomia velloziana Miq.

     Peperomia velutina var. lanceolata C.DC.

     Peperomia venabulifolia Trel.

     Peperomia venabulifolia var. ampliata Trel.

     Peperomia venezueliana C.DC.

     Peperomia venezueliana var. aterrima Yunck.

     Peperomia ventenatii Miq.

     Peperomia ventricosicarpa Trel.

     Peperomia venusta Yunck.

     Peperomia vernouana Trel.

     Peperomia verruculosa Dahlst. ex A.W.Hill

     Peperomia verschaffeltii Lem.

     Peperomia versicolor Trel.

     Peperomia verticillata (L.) A.Dietr.

     Peperomia verticillatispica Trel. & Yunck.

     Peperomia vestita C.DC.

     Peperomia victoriana C.DC.

     Peperomia victoriana var. margaritana C.DC.

     Peperomia villarrealii Yunck.

     Peperomia villibacca Yunck.

     Peperomia villicaulis C.DC.

     Peperomia villosa C.DC.

     Peperomia vincentiana Miq.

     Peperomia violacea C.DC.

     Peperomia viridispica Trel.

     Peperomia vitiana C.DC.

     Peperomia vitilevuensis Yunck.

     Peperomia vivipara Pino, Samain & L.E.Alomía

     Peperomia volkensii C.DC.

     Peperomia vulcanicola C.DC.

     Peperomia vulcanicola var. mansericheana (Trel.) Trel. & Yunck.

     Peperomia wagneri Trel.

     Peperomia waikamoiana Yunck.

     Peperomia wandwicensis var. robusta Wawra

     Peperomia warmingii C.DC.

     Peperomia wedelii Yunck.

     Peperomia wheeleri Britton

     Peperomia wilderi Yunck.

     Peperomia williamsii C.DC.

     Peperomia williamsii Trel.

     Peperomia wilsonii Stehlé

     Peperomia woodsonii Trel.

     Peperomia woytkowskii Yunck.

     Peperomia wrightiana C.DC.

     Peperomia wurdackii Yunck.

     Peperomia yabucoana Urb. & C.DC.

     Peperomia yanacachiana Yunck.

     Peperomia yapasana Trel.

     Peperomia yatuensis Steyerm.

     Peperomia yojoana Trel.

     Peperomia yousei Trel.

     Peperomia yunckeri Trel.

     Peperomia yungasana C.DC.

     Peperomia yutajensis Steyerm.

     Peperomia zarzalana Trel. & Yunck.

     Peperomia zipaquirana Trel.

Piper

     Piper

     Piper abalienatum Trel.

     Piper abbadianum Yunck.

     Piper abbreviatum Opiz

     Piper abditum Trel.

     Piper abellinum Trel.

     Piper abraense C.DC.

     Piper abutiloides Kunth

     Piper acceptum Trel.

     Piper achoteanum Trel.

     Piper achromatolepis Trel.

     Piper achupallasense Yunck.

     Piper acreanum C.DC.

     Piper actae Trel.

     Piper acutifolium Ruiz & Pav.

     Piper acutilimbum C.DC.

     Piper acutistigmum C.DC.

     Piper acutulum Trel.

     Piper adamatum Trel. & Standl.

     Piper addisonii Yunck.

     Piper adenandrum (Miq.) C.DC.

     Piper adreptum Trel.

     Piper adseptrum Trel.

     Piper aduncum L.

     Piper aduncum L. var. aduncum

     Piper aduncum L. x P. elongatum Vahl

     Piper aduncum var. brachyarthrum (Trel.) Yunck.

     Piper aduncum var. cordulatum (C.DC.) Yunck.

     Piper aduncum var. cuatrecasasii (Trel.) Yunck.

     Piper aduncum var. exotum Trel.

     Piper aduncum var. garcia-barrigae Trel. & Yunck.

     Piper aduncum var. ossanum (C.DC.) Saralegui

     Piper aegrum Trel.

     Piper aequale Vahl

     Piper aequale var. elliptico-lanceolatum C.DC.

     Piper aequale var. glanduligerum (C.DC.) Steyerm.

     Piper aequale var. hirtinervulum Yunck.

     Piper aequale var. lasiocarpum C.DC.

     Piper aequale var. santa-martanum (C.DC.) Trel. & Yunck.

     Piper aequale var. schackii (Miq.) Yunck. [ined.]

     Piper aereum Trel.

     Piper affectans Trel.

     Piper affictum Trel.

     Piper agellifolium Trel. & Yunck.

     Piper agostinii Yunck.

     Piper aguadanum Trel.

     Piper aguadulcense Yunck.

     Piper agusanense C.DC.

     Piper alatabaccum Trel. & Yunck.

     Piper alatipetiolatum Yunck.

     Piper albanense Trel.

     Piper albert-smithii Trel. & Yunck.

     Piper albiciliatum Yunck.

     Piper albidirameum C.DC.

     Piper albopapillatum Trel.

     Piper albopilosum Yunck.

     Piper albozonatum C.DC.

     Piper aleyreanum C.DC.

     Piper allenii Trel.

     Piper allisum Trel.

     Piper alnoides C.DC.

     Piper alstonii Trel.

     Piper alveatum Trel.

     Piper amalago f. ceanothifolium (Kunth) Steyerm.

     Piper amalago f. ceanothifolium (Kunth) Yunck.

     Piper amalago L.

     Piper amalago L. var. amalago

     Piper amalago var. medium (Jacq.) Yunck.

     Piper amalago var. nigrinodum (C.DC.) Yunck.

     Piper amapense Yunck.

     Piper amazonicum (Miq.) C.DC.

     Piper amnigaudens Trel.

     Piper amoenum Yunck.

     Piper amparoense Yunck.

     Piper amphibium Trel.

     Piper amphitrichum Trel.

     Piper amplectens C.DC.

     Piper amplectenticaule Trel. & Yunck.

     Piper amplum Kunth

     Piper anastylum Trel.

     Piper andakiensis [ined.]

     Piper andreanum C.DC.

     Piper angustifolium Lam.

     Piper angustifolium Ruiz & Pav.

     Piper angustilimbum C.DC.

     Piper anisophyllum var. granulatum Trel.

     Piper anisum (Spreng.) Angely

     Piper annulatispicum Trel. & Yunck.

     Piper anomalum C.DC.

     Piper anonifolium f. angustifolium Yunck.

     Piper anonifolium f. parvifolium Yunck.

     Piper anonifolium Kunth

     Piper anostachyum Yunck.

     Piper antioquiense C.DC.

     Piper apertum Trel.

     Piper apiculatum C.DC.

     Piper apoanum C.DC.

     Piper appendiculatum (Benth.) C.DC.

     Piper apurimacarum Trel.

     Piper apus Trel.

     Piper aquilibaccum var. tenuispicum Trel.

     Piper aragonense Trel.

     Piper araguense Trel. & Yunck.

     Piper aramanum C.DC.

     Piper araneatum Trel.

     Piper araneosum Trel. [ined.]

     Piper araquei Yunck.

     Piper arbelaezii Trel. & Yunck.

     Piper arborescens Roxb.

     Piper arborescens var. angustilimbum Quisumb.

     Piper arboreum Aubl.

     Piper arboreum Aubl. subsp. arboreum

     Piper arboreum Aubl. var. arboreum

     Piper arboreum subsp. tuberculatum (Jacq.) Tebbs

     Piper arboreum var. angustifolium [ined.]

     Piper arboreum var. falcifolium (Trel.) Yunck.

     Piper arboreum var. gianteum Trel. & Yunck.

     Piper arboreum var. hirtellum Trel. & Yunck.

     Piper arboreum var. hirtellum Yunck.

     Piper arboreum var. latifolium (C.DC.) Yunck.

     Piper arboreum var. paucinervium Trel. & Yunck.

     Piper arboricola C.DC.

     Piper arborioccupans Trel.

     Piper arborisedens C.DC.

     Piper arbuscula Trel.

     Piper archeri Trel. & Yunck.

     Piper archidonense Trel.

     Piper arcuatispicum Trel.

     Piper arcuatispicum var. lanceifolium Trel.

     Piper arcuatispicum var. lepidotum Trel.

     Piper arcuatispicum var. rugosum Trel.

     Piper arcuatum C.Presl

     Piper arebelaezii var. subglabrirameum Yunck.

     Piper arenicola Trel.

     Piper areponganum Trel.

     Piper arfakianum C.DC.

     Piper argentamentum Trel. & Yunck.

     Piper argyrophyllum Miq.

     Piper arichogynum C.DC.

     Piper arieianum C.DC.

     Piper arieianum f. nubicola Steyerm.

     Piper arieianum var. pulierulum Steyerm.

     Piper aripense Trel.

     Piper aristeguietae Yunck.

     Piper aristolochiphyllum Quisumb.

     Piper armatum Trel. & Yunck.

     Piper aromaticum C.DC.

     Piper arreptum Trel.

     Piper artanthe C.DC.

     Piper artanthe var. grandifolium Yunck.

     Piper artanthe var. strigosum C.DC. & Yun[ined.]

     Piper artanthopse C.DC.

     Piper articulatum C.DC.

     Piper articulosum Trel.

     Piper asclepiadifolium Trel.

     Piper asperilimbum C.DC.

     Piper asperiusculum Kunth

     Piper asperiusculum var. glabricaule Trel. & Yunck.

     Piper asperrimicaule Trel.

     Piper asperulibaccum var. cuacoanum Trel. & Yunck.

     Piper asterostigmum Quisumb.

     Piper asterotrichum C.DC.

     Piper atantillum Trel.

     Piper atlantidanum var. sibunense Trel.

     Piper atrichopus var. arborescens Trel.

     Piper atrobaccum Trel.

     Piper atrospicum C.DC.

     Piper attenuatamentum Trel.

     Piper attenuatum Buch.-Ham. ex Miq.

     Piper augustum Rudge

     Piper augustum var. pubinerve Trel. & Yunck.

     Piper aulacospermum Callejas

     Piper auriculiferum Trel.

     Piper auriculifolium Yunck.

     Piper aurilimbum C.DC.

     Piper auristellanum C.DC.

     Piper auritilaminum Trel.

     Piper auritilimbum Trel.

     Piper auritum Kunth

     Piper auritum var. amplifolium C.DC.

     Piper auritum var. grandifolium Trel. [ined.]

     Piper austinii Trel.

     Piper austrocaledonicum C.DC.

     Piper avellanum (Miq.) C.DC.

     Piper azuaiense Yunck.

     Piper azupizanum Trel.

     Piper baccans (Miq.) C.DC.

     Piper baccatum Blume

     Piper baezanum C.DC.

     Piper baezense Trel.

     Piper baguionum C.DC.

     Piper bahianum Yunck.

     Piper baileyi Trel.

     Piper bajanum Trel. & Yunck.

     Piper bakeri C.DC.

     Piper balsapuertanum Trel.

     Piper bambusifolium Y.Q.Tseng

     Piper bangii C.DC.

     Piper banksii Miq.

     Piper bantamense Blume

     Piper barbatum Kunth

     Piper barbicuspe Trel.

     Piper barbirostre Trel.

     Piper barkleyi Yunck.

     Piper barretoi Yunck.

     Piper bartingianum (Miq.) C.DC.

     Piper bartlingianum (Miq.) C.DC.

     Piper bavinum C.DC.

     Piper begoniaefolium Hook. & Arn.

     Piper begoniicolor Trel. & Yunch.

     Piper begoniiforme Yunck.

     Piper bella Yunck. [ined.]

     Piper bellidifolium Yunck.

     Piper belloi Yunck.

     Piper belterraense Yunck.

     Piper benianum Trel.

     Piper bennettianum C.DC.

     Piper bermudezense Trel.

     Piper betel (M.Blanco) Fosberg

     Piper betle L.

     Piper betle var. densum (Blume) C.DC.

     Piper betle var. fenixii [ined.]

     Piper biauritum C.DC.

     Piper bicolor Yunck.

     Piper bigelovii Trel.

     Piper biolleyi C.DC.

     Piper bisasperatum Trel.

     Piper biseriatum C.DC.

     Piper blakei Trel.

     Piper blattarum Spreng.

     Piper blumei [ined.]

     Piper boconoense Trel. & Yunck.

     Piper boehmeriifolium (Miq.) Wall. ex C.DC.

     Piper bogotense C.DC.

     Piper bogotense var. ovalilimbum Trel. & Yunck.

     Piper boissierianum C.DC.

     Piper bolivaranum Yunck.

     Piper bolivianum C.DC.

     Piper bonii C.DC.

     Piper bopianum Trel.

     Piper boquetense Yunck.

     Piper boquianum Trel.

     Piper borbonense (Miq.) C.DC.

     Piper bourgeaui var. perexasperatum Trel.

     Piper bowiei Yunck.

     Piper brachipilum Yunck.

     Piper brachypetiolatum Yunck.

     Piper brachypodon (Benth.) C.DC.

     Piper brachypodon var. hirsuticaule Yunck.

     Piper brachypodon var. hirtellum C.DC.

     Piper brachypus Trel.

     Piper brachyrachis C.H.Wright

     Piper brachystachyon Vahl

     Piper brachystylum Trel.

     Piper brachytrichum Trel.

     Piper bradei Yunck.

     Piper brasiliense (Miq.) C.DC.

     Piper bredemeyeri J.Jacq.

     Piper breve C.DC.

     Piper brevesanum Yunck.

     Piper breviamentum C.DC.

     Piper brevicuspe Merr. & Miq.

     Piper brevilimbum C.DC.

     Piper brevipedicellatum Bornst.

     Piper brevipedunculatum C.DC.

     Piper brevipedunculum Trel.

     Piper brevispicum C.DC.

     Piper brevistigmum C.DC.

     Piper brevistrigillosum Trel.

     Piper brisasense Yunck.

     Piper brittonorum Trel.

     Piper brownsbergense Yunck.

     Piper buchii Urb.

     Piper buchtienii C.DC.

     Piper bullatilimbum C.DC.

     Piper bullosum C.DC.

     Piper buturocanum C.DC.

     Piper cabadbaranum C.DC.

     Piper cabellense C.DC.

     Piper cabralanum C.DC.

     Piper cachimboense Yunck.

     Piper caducibracteum C.DC.

     Piper cahuapanasense Trel.

     Piper cainarachianum Trel.

     Piper cajamarcanum Yunck.

     Piper cajambrense Trel. & Yunck.

     Piper cajambrense var. caquetanum Trel. & Yunck.

     Piper calanyanum Trel. & Yunck.

     Piper calanyanum var. sardinanum Trel. & Yunck.

     Piper calcaratum C.DC.

     Piper calceolarium C.DC.

     Piper calceolarium var. magnifolium (C.DC.) Trel. & Yunck.

     Piper calciseligens Trel.

     Piper caldasianum (Miq.) Yunck.

     Piper caldense C.DC.

     Piper callosum Ruiz & Pav.

     Piper callosum var. franciscoanum C.DC.

     Piper calocoma (Miq.) C.DC.

     Piper calophyllum C.DC.

     Piper calvescens var. aguananum Trel.

     Piper calvescens var. cangrejalense Trel.

     Piper calvescens var. pedunculatum Trel.

     Piper calvescens var. potrerillosense Trel.

     Piper calvescentinerve Trel.

     Piper camiloi var. glabratum Yunck.

     Piper campanum Yunck.

     Piper campii Yunck.

     Piper campinasana C.DC.

     Piper camptostachys Urb.

     Piper candelarianum C.DC.

     Piper candelarium C.DC.

     Piper candelarium var. pedroanum Trel.

     Piper candelosum C.DC.

     Piper canelosense Trel. & Yunck.

     Piper canescenticaule Trel.

     Piper caninum Blume

     Piper caninum var. latibracteum C.DC.

     Piper caninum var. sablanum C.DC.

     Piper capense L.f.

     Piper capillipes Trel. & Yunck.

     Piper capillipes var. glabratum Yunck.

     Piper capillistipes Trel.

     Piper capitarianum Yunck.

     Piper captum Trel.

     Piper caracasanum Bredem.

     Piper caracolanum C.DC.

     Piper cararense Trel. & Yunck.

     Piper carboneranum Yunck.

     Piper cardenasii Trel.

     Piper carizalanum C.DC.

     Piper carnibracteum C.DC.

     Piper carniconnectivum C.DC.

     Piper carnistilum C.DC.

     Piper carpapatanum Trel.

     Piper carpinteranum C.DC.

     Piper carpunya Ruiz & Pav.

     Piper carrapanum Trel.

     Piper casapiense (Miq.) C.DC.

     Piper cascajalanum C.DC.

     Piper casitense Trel.

     Piper castanhalense Trel.

     Piper casteloense Yunck.

     Piper castroanum Trel. & Yunck.

     Piper cataractarum Trel.

     Piper catripense Yunck.

     Piper catubigense Merr.

     Piper caucaense Yunck.

     Piper cavalcantei Yunck.

     Piper cavendishioides Trel. & Yunck.

     Piper cayoense Trel.

     Piper cayumbanum Trel.

     Piper cearanum Yunck.

     Piper cejanum Trel. & Yunck.

     Piper celer Trel.

     Piper celsum Trel.

     Piper celtidiforme Opiz

     Piper celtidiforme var. vaginans Quisumb.

     Piper cenocladum C.DC.

     Piper cernuum var. biformipilum Yunck.

     Piper cernuum var. glabricaule Yunck.

     Piper cernuum Vell.

     Piper cernuum Vell. var. cernuum

     Piper cerroianum Steyerm.

     Piper chaba Hunter

     Piper chamissonis (Miq.) Steud. ex C.DC.

     Piper chanchamayanum Trel.

     Piper chandocanum C.DC.

     Piper chavicoide (Miq.) C.DC.

     Piper chiadoense Yunck.

     Piper chimantanum Yunck.

     Piper chimborazoense Yunck.

     Piper chimonanthifolium Kunth

     Piper chinantlense M.Martens & Galeotti

     Piper chinantlense var. mexiae Trel.

     Piper chiriquinum C.DC.

     Piper choapamense Trel.

     Piper christyi C.DC.

     Piper chrysophlebium Trel.

     Piper chrysophlebium var. angustatum Trel.

     Piper chrysostachyum C.DC.

     Piper chuarense M.A.Jaram. & Callejas

     Piper chumboense Yunck.

     Piper churruyacoanum Trel. & Yunck.

     Piper churruyacoanum var. machinense Trel. & Yunck.

     Piper churumayu Ruiz & Pav.

     Piper cihuatlanense Bornst.

     Piper cililimbum Yunck.

     Piper cinereonervosum Trel.

     Piper cinereonervosum var. glabratum Trel.

     Piper cinereum C.DC.

     Piper cineroramulum Trel.

     Piper cingens C.DC.

     Piper circumspectantis Trel.

     Piper cirratum Trel.

     Piper cisnerosense Trel. & Yunck.

     Piper cispontinum Trel.

     Piper citrifolium Lam.

     Piper clandicans Trel.

     Piper claudicans Trel.

     Piper claussenianum (Miq.) C.DC.

     Piper clavuliger Trel.

     Piper clypeatum Wall.

     Piper coalcomanum Trel.

     Piper coariense Yunck.

     Piper coastaepilum Trel.

     Piper coccoloboides Kunth

     Piper cochleatum Sodiro

     Piper cocornanum Trel. & Yunck.

     Piper cogolloi Callejas

     Piper coilostachyum C.DC.

     Piper colligatispicum Trel. & Yunck.

     Piper collinum C.DC.

     Piper colonense C.DC.

     Piper colotipanense Bornst.

     Piper colotlipanense Bornst.

     Piper colubrinum Link

     Piper comasense Trel.

     Piper comayaguanum Trel.

     Piper commutatum Steud.

     Piper comptonii S.Moore

     Piper concepcionis Trel.

     Piper conceptum Trel.

     Piper concinnatoris Yunck.

     Piper concinnum C.DC.

     Piper concretiflorum C.DC.

     Piper conditum Trel.

     Piper condotoense Trel. & Yunck.

     Piper conejoense Trel. & Yunck.

     Piper confertinodum (Trel. & Yunck.) Tebbs

     Piper confusionis Trel.

     Piper confusum C.DC.

     Piper confusum var. latilimbum C.DC.

     Piper conispicum Trel.

     Piper conquistanum Yunck.

     Piper consanguineum (Kunth) C.DC.

     Piper consanguineum Kunth

     Piper conspicum Trel.

     Piper constipatispicum Trel.

     Piper constipatispicum var. lanosum Trel.

     Piper constipatispicum var. tonsum Trel.

     Piper contamanum Trel.

     Piper coralfalgense C.DC.

     Piper corconanum Trel. & Yunck.

     Piper corcovadensis (Miq.) C.DC.

     Piper corcovadensis (Miq.) C.DC. var. corcovadensis

     Piper corcovadensis var. blanchetii (Moric.) Callejas

     Piper corcovadensis var. petiolatum Miq.

     Piper cordatilimbum Quisumb.

     Piper cordatum C.DC.

     Piper cordilimbum C.DC.

     Piper cordovanum C.DC.

     Piper cordulatum C.DC.

     Piper corei Yunck.

     Piper coriaceilimbum C.DC.

     Piper corintoanum Yunck.

     Piper cornifolium Kunth

     Piper corozalanum Trel.

     Piper corpulentispicum Trel. & Yunck.

     Piper correptum Trel.

     Piper corrugatum Kuntze

     Piper cortabescens Trel.

     Piper coruscans Kunth

     Piper coruscans var. membranaceum (C.DC.) Steyerm.

     Piper coruseum Trel.

     Piper corylistachyopse Trel.

     Piper costatum C.DC.

     Piper costulatum C.DC.

     Piper cotazalense [ined.]

     Piper cowanii (Yunck.) Yunck.

     Piper coyolesense Trel.

     Piper crassamentum Trel.

     Piper crassicaule Trel.

     Piper crassinervium Kunth

     Piper crassinervium var. tocotanum (C.DC.) Yunck.

     Piper crassinodum C.DC.

     Piper crassipedunculum Yunck.

     Piper crassiperuvian [ined.]

     Piper cremii Trel.

     Piper crenulatum Steyerm.

     Piper crispans Trel.

     Piper crispatum A.C.Sm.

     Piper cristalinanum Trel. & Yunck.

     Piper cristatum C.DC.

     Piper crocatum Ruiz & Pav.

     Piper cryptocarpum Trel. & Yunck.

     Piper cubataonum C.DC.

     Piper cubeba L.f.

     Piper cubilquitzianum C.DC.

     Piper culebranum C.DC.

     Piper cumanense Kunth

     Piper cumbotianum C.DC.

     Piper cuniculorum Trel. & Yunck.

     Piper cunninghamii Yunck.

     Piper cupreatum Trel.

     Piper cupreatum var. longum Trel.

     Piper curtifolium C.DC.

     Piper curtipedunculum C.DC.

     Piper curtispicum C.DC.

     Piper curtistilum C.DC.

     Piper curvatipes Trel.

     Piper cuspidatum Desv. ex Ham.

     Piper cuspidilimbum C.DC.

     Piper cuspidispicum Trel.

     Piper cutucuense Yunck.

     Piper cuyabanum C.DC.

     Piper cuyunianum Steyerm.

     Piper cuzcoense Trel.

     Piper cyphophyllopse Trel. & Yunck.

     Piper cyphophyllopse var. brevipes Trel. & Yun

     Piper cyprium Trel. & Yunck.

     Piper cyrtopodon (Miq.) C.DC.

     Piper cyrtopodon C.DC.

     Piper dactylostigmum Yunck.

     Piper daguanum C.DC.

     Piper daniel-gonzalezii Trel.

     Piper darienense C.DC.

     Piper dasyoura (Miq.) C.DC.

     Piper dasypodum (Miq.) C.DC.

     Piper davaoense C.DC.

     Piper dawsoni Trel.

     Piper deamii var. yojoanum Trel.

     Piper debilicaule Trel. & Yunck.

     Piper decipiens (Miq.) C.DC.

     Piper decumanum L.

     Piper decumanum var. paluense Hosok.

     Piper decurrens C.DC.

     Piper deductum Trel.

     Piper degeneri A.C.Sm.

     Piper delatum Trel.

     Piper delectans Trel.

     Piper delicatum C.DC.

     Piper deliciasanum Steyerm.

     Piper delineatum Trel.

     Piper delirioi Sarnaglia & E.F.Guim.

     Piper demeraranum (Miq.) C.DC.

     Piper demeraranum var. rubenscens (C.DC.) Trel. & Yunck.

     Piper deminutum Yunck.

     Piper dendrophilum Trel.

     Piper dendropse Trel.

     Piper dennisii Trel.

     Piper densiciliatum Yunck.

     Piper densum Blume

     Piper denudans (Miq.) C.DC.

     Piper denudatum Opiz

     Piper depressibaccum Trel.

     Piper desultorium Trel.

     Piper diandrum C.DC.

     Piper diazanum var. viae-kobeanae Trel.

     Piper dichotomum Ruiz & Pav.

     Piper dichroostachyum Trel. & Yunck.

     Piper diffamatum Trel. & Yunck.

     Piper diffamatum var. favifolium Trel. & Yunck.

     Piper diffundum Yunck.

     Piper diguaense Yunck.

     Piper diguetianum Trel.

     Piper diguetii C.DC.

     Piper dilatatifolium Trel. & Yunck.

     Piper dilatatum f. guayranum Steyerm.

     Piper dilatatum f. longipilum Steyerm.

     Piper dilatatum Rich.

     Piper dilatatum var. dilatatum

     Piper dimorphophyllum Trel.

     Piper dimorphotrichum Yunck.

     Piper diospyrifolium Kunth

     Piper dipterocarpinum C.DC.

     Piper discolor Trel.

     Piper discriminatum Trel. & Yunck.

     Piper disjunctum Trel.

     Piper dispansum Trel.

     Piper dissimulans Trel.

     Piper distichum Trel. & Yunck.

     Piper distigmatum Yunck.

     Piper divaricatiranum C.DC.

     Piper divaricatum G.Mey.

     Piper divortans Trel. & Yunck.

     Piper divulgatum Trel. & Yunck.

     Piper dodsonii Yunck.

     Piper dolichostylum Callejas & Betancur

     Piper dolichotrichum Yunck.

     Piper dolichotricum Yunck.

     Piper donnell-smithii C.DC.

     Piper donnell-smithii var. longispicatum Trel.

     Piper dotanum Trel.

     Piper dryadum C.DC.

     Piper ducis Trel.

     Piper duckei C.DC.

     Piper duidaense Trel.

     Piper duidaense var. bolivianum Yunck.

     Piper duidaense var. eciliatum Trel. & Yunck.

     Piper dukei Yunck.

     Piper dulce Trel.

     Piper dumeticola C.DC.

     Piper dumosum Rudge

     Piper dunlapi Trel.

     Piper duracimum Trel.

     Piper durilignum C.DC.

     Piper dussii C.DC.

     Piper dussii f. dugommierianum Trel.

     Piper dussii f. quentinianum Stehlé

     Piper echinocaule Yunck.

     Piper ecuadorense Sodiro

     Piper edurum Trel.

     Piper edwallii Yunck.

     Piper el-bancoanum Trel. & Yunck.

     Piper el-caranyanum Trel. & Yunck.

     Piper el-metanum Trel. & Yunck.

     Piper el-paramoense Yunck.

     Piper elasmophyllum Trel.

     Piper ellipticibaccum C.DC.

     Piper ellipticifolium Yunck.

     Piper elliptico-oblongifolium Trel.

     Piper elliptico-obtusifolium Trel.

     Piper ellipticolanceolatum (C.DC.) Trel.

     Piper elmeri Merr.

     Piper elongatifolium Trel.

     Piper elongatum Vahl

     Piper emendatum Trel.

     Piper emmerichianum Yunck.

     Piper emygdioi Yunck.

     Piper enckea (Miq.) C.DC.

     Piper enckeaespicum (Trel. & Yunck.) Callejas

     Piper enganyanum Trel. & Yunck.

     Piper ensifolium Quisumb.

     Piper entradense Trel. & Yunck.

     Piper epigynium C.DC.

     Piper epilosipes Trel.

     Piper epilosipes var. heterophyllum Trel.

     Piper erectipilum Yunck.

     Piper erectum C.DC.

     Piper eriocladum Sodiro

     Piper eriopodon (Miq.) C.DC.

     Piper erubescentispica Trel.

     Piper escaleranum C.DC.

     Piper esmeraldanum Trel.

     Piper esperancanum Yunck.

     Piper estrellense C.DC.

     Piper eucalyptifolium Rudge

     Piper eucalyptophyllum C.DC.

     Piper euckea C.DC. [ined.]

     Piper euryphyllum C.DC.

     Piper evingeri Yunck.

     Piper evulsipilosum Trel.

     Piper excelsum G.Forst.

     Piper exigens Trel.

     Piper exigens var. subovatum Trel.

     Piper exiguicaule Yunck.

     Piper exserrens (Miq.) C.DC.

     Piper factum Trel.

     Piper fadyenii C.DC.

     Piper fagifolium Trel.

     Piper falanense Trel. & Yunck.

     Piper falcispicum Yunck.

     Piper falculispicum Trel.

     Piper fallens Trel.

     Piper fanshawei Yunck.

     Piper faroense Yunck.

     Piper fastiditum Trel. & Yunck.

     Piper fastiditum var. pubescens Trel. & Yunck.

     Piper faviculiferum Trel.

     Piper fendlerianum C.DC.

     Piper ferruginispicum Trel.

     Piper filistilum C.DC.

     Piper fimbriulatum C.DC.

     Piper firmolimbum C.DC.

     Piper firmolimbum var. parvilimbum Quisumb.

     Piper firmum (Miq.) C.DC.

     Piper flagellare Kunth

     Piper flagellicuspe Trel. & Yunck.

     Piper flavicans C.DC.

     Piper flavicans C.DC. var. flavicans

     Piper flavidum C.DC.

     Piper flaviflorum C.DC.

     Piper flavifructum Trel.

     Piper flavirameum var. obscurum Trel.

     Piper flaviramum C.DC.

     Piper flexuosum Jacq. subsp. flexuosum

     Piper florencianum Trel. & Yunck.

     Piper fluminense C.DC.

     Piper fonteboanum Yunck.

     Piper formici-tolerans Trel.

     Piper formosum (Miq.) C.DC.

     Piper fortalezanum Trel.

     Piper fortunaense Tebbs

     Piper foveolatum Kunth ex C.DC.

     Piper fragile Benth.

     Piper fragile var. multinerve C.DC.

     Piper fraguanum Trel.

     Piper fraguanum var. viride Trel.

     Piper francoae M.A.Jaram. & Callejas

     Piper francovilleanum C.DC.

     Piper fraseri C.DC.

     Piper fresnoense Trel. & Yunck.

     Piper friedrichsthalii C.DC.

     Piper froesii Yunck.

     Piper fuertesii C.DC.

     Piper fulgidum Yunck.

     Piper fuligineum Kunth

     Piper fuliginosum Sodiro

     Piper fulvescens C.DC.

     Piper fulvescenticaule Trel.

     Piper fundacionense Steyerm.

     Piper furcatipilosum Yunck.

     Piper fuscinervium Quisumb.

     Piper fuscum C.DC.

     Piper futokadsura Siebold

     Piper galicianum Steyerm.

     Piper gamboanum var. yapense Trel.

     Piper gamitanacochanum Trel.

     Piper garagaranum C.DC.

     Piper gatunense Trel.

     Piper gaudichaudianum f. argentinum C.DC.

     Piper gaudichaudianum Kunth

     Piper gaudichaudianum Kunth var. gaudichaudianum

     Piper gaudichaudianum var. minor Yunck.

     Piper gelalae C.DC.

     Piper generalense Trel.

     Piper geniculatum f. puberula C.DC.

     Piper geniculatum Sw.

     Piper gentlei Trel.

     Piper gentryi Steyerm.

     Piper genuflexum Trel.

     Piper gibbosum C.DC.

     Piper gigantifolium C.DC.

     Piper gigas Trel.

     Piper gilvescens Trel.

     Piper giordanoi E.F.Guim. & D.Monteiro

     Piper glabellum Sw.

     Piper glaberrimicaule Trel.

     Piper glabratum Kunth

     Piper glabrescens (Miq.) C.DC.

     Piper glabrescens (Miq.) C.DC. var. glabrescens

     Piper glabribracteum Yunck.

     Piper glanduligerum C.DC.

     Piper glandulosissimum Yunck.

     Piper glandulosisssimum Yunck.

     Piper glaziovii C.DC.

     Piper gleasonii Yunck.

     Piper goeldii C.DC.

     Piper goesii Yunck.

     Piper gorgonillense Trel. & Yunck.

     Piper graciliramosum Yunck.

     Piper gracilispicum C.DC.

     Piper gracillimum var. dantoense Trel.

     Piper graeffei Warb.

     Piper grande Vahl

     Piper grande var. puberulentum Yunck.

     Piper grandilimbum C.DC.

     Piper grantii Yunck.

     Piper granuligerum Trel.

     Piper granulosum Ruiz & Pav.

     Piper gratum Trel.

     Piper gratum var. ingratum Trel.

     Piper griseo-venosum Trel.

     Piper guahamense C.DC.

     Piper guahamense var. glabrum Yunck.

     Piper guanacostense C.DC.

     Piper guanahacabibense Borhidi

     Piper guanaianum C.DC.

     Piper guapense Yunck.

     Piper guaremalesarum Trel. & Yunck.

     Piper guavanum C.DC.

     Piper guayranum C.DC.

     Piper guayranum var. humilior Trel. & Yunck.

     Piper guazacapanense Trel.

     Piper guedesii C.DC.

     Piper guerreranum [ined.]

     Piper guianense (Klotzsch) C.DC.

     Piper guineense Schumach. & Thonn.

     Piper gurupanum Yunck.

     Piper gutierrezii Yunck.

     Piper haenkeanum Opiz

     Piper hainanense Hemsl.

     Piper halconense C.DC.

     Piper halesiaefolium Kunth

     Piper hancei Maxim.

     Piper hartii C.DC.

     Piper hartwegianum (Benth.) C.DC.

     Piper hassleri C.DC.

     Piper hastularum var. puberulentum Yunck.

     Piper hastularum Yunck.

     Piper hatschbachii Yunck.

     Piper haughtii Trel. & Yunck.

     Piper hayesii Trel.

     Piper hayneanum C.DC.

     Piper hebecarpum C.DC.

     Piper hebetifolium W.C.Burger

     Piper hederaceum (Miq.) C.DC.

     Piper hemmendorfii C.DC.

     Piper henryei C.DC.

     Piper heptandrum (Miq.) C.DC.

     Piper heraldi var. amplius Trel.

     Piper hermannii Trel. & Yunck.

     Piper herrerae Trel.

     Piper herzogii C.DC.

     Piper heterobracteum Steyerm.

     Piper heterocarpum Trel.

     Piper heterocarpum var. subglabricaule Yunck.

     Piper heterophlebium Trel.

     Piper heterophyllum Ruiz & Pav.

     Piper heterophyllum var. subcuneatum Trel.

     Piper heterotrichum var. porrectifolium Trel. & Yunck.

     Piper hians Trel.

     Piper hieronymi C.DC.

     Piper hieronymi var. glabrum C.DC.

     Piper hillianum C.DC.

     Piper hirsutum Sw.

     Piper hirtellipetiolum C.DC.

     Piper hirtilimbum Trel. & Yunck.

     Piper hispidinervum C.DC.

     Piper hispidulum Sw.

     Piper hispidum f. lanceolatum Steyerm.

     Piper hispidum Sw.

     Piper hispidum Sw. var. hispidum

     Piper hispidum var. lanceolatum Trel. & Yun

     Piper hispidum var. magnifolium C.DC.

     Piper hispidum var. obliquum Trel. & Yunck.

     Piper hispidum var. subtrigosum Trel. & Yunck.

     Piper hispidum var. surinamense Steyerm.

     Piper hispidum var. trachydermum (Trel.) Yunck.

     Piper hodgei Yunck.

     Piper hoehnei Yunck.

     Piper hoffmannseggianum Roem. & Schult.

     Piper hoffmannseggianum Roem. & Schult. var. hoffmannseggianum

     Piper hoffmannseggianum var. latifolium (Kunth) Callejas

     Piper hoffmanseggianum Roem. & Schult.

     Piper holdridgeianum W.C.Burger

     Piper holguinianum Trel.

     Piper holtonii C.DC.

     Piper holtonii var. cundimarcanum (Trel.) Trel. & Yunck.

     Piper holtonii var. cundinamarcanum Trel. & Yunck.

     Piper holtonii var. parvispicum Yunck.

     Piper hondonadense Trel. & Yunck.

     Piper hostmannianum (Miq.) C.DC.

     Piper hostmannianum var. ramiflorum C.DC.

     Piper huantanum Trel.

     Piper huberi C.DC.

     Piper huigranum Trel. & Yunck.

     Piper humaytanum Yunck.

     Piper humillimum C.DC.

     Piper humistratum Görts & K.U.Kramer

     Piper hylebates C.DC.

     Piper hylophilum C.DC.

     Piper hymenophyllum Miq.

     Piper hypoleucum Sodiro

     Piper ibaguense Trel.

     Piper ichangense C.DC.

     Piper ilheusense Yunck.

     Piper imberbe Trel.

     Piper immite Trel.

     Piper immutatum Trel.

     Piper imperiale (Miq.) C.DC.

     Piper implicans Trel.

     Piper inaequale C.DC.

     Piper inauspicatum Trel.

     Piper incisicuspe Trel.

     Piper incitum Trel.

     Piper inclemens Trel. & Yunck.

     Piper inconsumptum Trel.

     Piper indecorum Kunth

     Piper indianonum Trel.

     Piper indiciflexum Trel.

     Piper inexorabile Trel.

     Piper infraluteum Trel.

     Piper insectifugum C.DC. ex Seem.

     Piper insigne Kunth

     Piper insignilaminum Trel. & Yunck.

     Piper insipiens Trel. & Yunck.

     Piper instabilipes Trel.

     Piper insulicolum Trel.

     Piper interitum Trel.

     Piper interruptum Opiz

     Piper interruptum var. cumigianum [ined.]

     Piper interruptum var. loheri C.DC.

     Piper interruptum var. multinervum C.DC.

     Piper inurbanum Trel.

     Piper iquitosense Trel.

     Piper irazuanum C.DC.

     Piper irrasum Trel.

     Piper isernii Trel.

     Piper itayanum Trel.

     Piper itayanum var. nacacuyanum [ined.]

     Piper itayanum var. pichisense Trel.

     Piper ivonensis Yunck.

     Piper jaboncillanum Trel.

     Piper jacquemontianum Kunth

     Piper jaculifolium Trel.

     Piper jahnii Trel. & Yunck. [ined.]

     Piper jalapense M.Martens & Galeotti

     Piper jaliscanum S.Watson

     Piper jamaicense C.DC.

     Piper jamaicense f. cuneatum Yunck.

     Piper japurense (Miq.) C.DC.

     Piper javaense Steyerm. [ined.]

     Piper javariense Yunck.

     Piper jericoense Trel. & Yunck.

     Piper johnstoni C.DC.

     Piper jubatinervosum Trel.

     Piper jubimarginatum Yunck.

     Piper juianum Trel.

     Piper juliflorum Nees & Mart.

     Piper kadsura (Choisy) Ohwi

     Piper kadzura (Choisy) Ohwi

     Piper kandavuense A.C.Sm.

     Piper kantetulense var. gentlei Trel.

     Piper karwinskianum (Kunth) Kunth ex C.DC.

     Piper kegelianum C.DC.

     Piper kimpitirikianum Trel.

     Piper klotzschianum (Kunth) C.DC.

     Piper klugianum Trel.

     Piper konkintoense Trel.

     Piper korthalsii Miq.

     Piper krukoffii Yunck.

     Piper kuhlmannii Yunck.

     Piper kunstleri C.DC.

     Piper kuntzei C.DC.

     Piper kurzii Ridl.

     Piper kwangtungense Merr.

     Piper la-pazense Trel.

     Piper lacunosum Kunth

     Piper lacunosum var. angustifolium Trel. & Yunck.

     Piper lacunosum var. glabricaule Trel. & Yunck.

     Piper laedans Trel.

     Piper laevicarpum Yunck.

     Piper laevigatum Kunth

     Piper laevilimbum C.DC.

     Piper lagenaebaccum Trel.

     Piper lageniovarium C.DC.

     Piper lagoaense C.DC.

     Piper laguna-cochanum Trel. & Yunck.

     Piper lambeauense C.DC.

     Piper lanceaefolium Kunth

     Piper lanceaefolium var. acutiusculum C.DC.

     Piper lanceaefolium var. subovatum Trel.

     Piper lanceifolium Kunth

     Piper lanceolatum Ruiz & Pav.

     Piper lancifolium Schott ex C.DC.

     Piper lancilimbum Yunck.

     Piper langlassei C.DC.

     Piper lanosicaule Trel.

     Piper laosanum C.DC.

     Piper lapathifolium (Kunth) Steud.

     Piper larutanum C.DC.

     Piper latibracteum C.DC.

     Piper latifolium L.f.

     Piper latilimbum C.DC.

     Piper lawrancei Trel. & Yunck.

     Piper laxirameum C.DC.

     Piper lectum Trel.

     Piper lehmannianum (Miq.) C.DC.

     Piper lemaense Yunck.

     Piper lenormandianum C.DC.

     Piper lenticellosum C.DC.

     Piper leptocladum C.DC.

     Piper lepturum Kunth

     Piper lepturum var. angustifolium (C.DC.) Yunck.

     Piper lessertianum C.DC.

     Piper leticianum C.DC.

     Piper leticianum var. longispicum Yunck.

     Piper leticianum var. nanum Yunck.

     Piper leticianum var. tessmannii C.DC.

     Piper leucaeanum Kunth [ined.]

     Piper leucanthum C.DC.

     Piper leucofustum Trel.

     Piper leucophyllum (Miq.) C.DC.

     Piper leucostachyum Trel. & Yunck.

     Piper levilimbum Trel.

     Piper lhotzkyanum Kunth

     Piper liami Yunck.

     Piper licentiosum Trel.

     Piper liebmannii C.DC.

     Piper liesneri Steyerm.

     Piper ligatispicum Trel.

     Piper limai Yunck.

     Piper limosum Yunck.

     Piper lindbergii C.DC.

     Piper lindenianum C.DC.

     Piper lindenii (Miq.) C.DC.

     Piper lineatipilosum Yunck.

     Piper lineativillosum Trel. & Yunck.

     Piper lineatum Ruiz & Pav.

     Piper lineatum var. cordulatum Trel.

     Piper lineolatifolium Trel. & Yunck.

     Piper linguliforme Steyerm.

     Piper liratinerve Trel.

     Piper littorale C.DC.

     Piper loheri C.DC.

     Piper lolot C.DC.

     Piper lonchites Schult.

     Piper longegerminatum Trel.

     Piper longepilosum C.DC.

     Piper longestamineum Trel.

     Piper longestylosum

     Piper longestylosum C.DC.

     Piper longiappendiculatum Steyerm.

     Piper longicaudatum Trel. & Yunck.

     Piper longicaule C.DC.

     Piper longifilamentosum Trel.

     Piper longifolium Ruiz & Pav.

     Piper longilimbum C.DC.

     Piper longipedicellatum Quisumb.

     Piper longipes C.DC.

     Piper longipilosum C.DC.

     Piper longispicum C.DC.

     Piper longispicum var. hirtum C.DC. & Steyerm.

     Piper longispicum var. villipetiolatum Yunck.

     Piper longistigmum C.DC.

     Piper longistylum C.DC.

     Piper longivaginans C.DC.

     Piper longum L.

     Piper lorae Trel.

     Piper loretoanum Trel.

     Piper losoense Trel. & Yunck.

     Piper lucaeanum Kunth

     Piper lucaeanum var. grandifolium Yunck.

     Piper lucaeanum var. magnifolium C.DC.

     Piper lucifruitum Trel.

     Piper lucigaudens C.DC.

     Piper lunulibracteatum C.DC.

     Piper lunulibracteatum var. villirameum Yunck.

     Piper luspidum

     Piper luteynii Callejas

     Piper luxii C.DC.

     Piper maagnasanum C.DC.

     Piper macapaense Yunck.

     Piper macedoi f. longispicum Yunck.

     Piper macedoi Yunck.

     Piper macerispicum Trel. & Yunck.

     Piper macgillivrayi C.DC. ex Seem.

     Piper maclurei Merr.

     Piper macrophyllum Kunth

     Piper macropiper Pennant

     Piper macropodum C.DC.

     Piper macropunctatum Yunck.

     Piper macrorhynchon Miq.

     Piper macrotrichum C.DC.

     Piper madeiranum Yunck.

     Piper magnantherum C.DC.

     Piper magnasanum C.DC. [ined.]

     Piper magnibaccum C.DC.

     Piper magnificum Trel.

     Piper magnifolium (C.DC.) Trel.

     Piper maguirei Yunck.

     Piper majusculum Blume

     Piper malacophyllum (C.Presl) C.DC.

     Piper malacophyllum (Prestle) DC.

     Piper malanganum Trel.

     Piper malindangense C.DC.

     Piper malpasoensis Tebbs

     Piper mamorense Yunck.

     Piper manabinum C.DC.

     Piper mananthum C.Wright

     Piper manausense Yunck.

     Piper mandinganum Trel. & Yunck.

     Piper mandoni C.DC.

     Piper mandonii C.DC.

     Piper mansericheanum Trel.

     Piper mapirense C.DC.

     Piper maranyonense Trel.

     Piper maravalanum Trel.

     Piper marcescentispicum Trel.

     Piper marequitense DC.

     Piper margaritanum C.DC.

     Piper marginatibaccum Trel.

     Piper marginatum Jacq.

     Piper marginatum var. anisatum (Kunth) C.DC.

     Piper marginatum var. catalpaefolium (Kunth) C.DC.

     Piper marginatum var. clausum Yunck.

     Piper marginatum var. niceforoi (Trel. & Yunck.) Steyerm.

     Piper mariquitense C.DC.

     Piper marmoreum Trel.

     Piper marsupiatum Trel. & Yunck.

     Piper marsupiiferum Trel.

     Piper martensianum C.DC.

     Piper martinicense var. montis-pilati C.DC.

     Piper martinii C.DC.

     Piper marturetense Trel. & Yunck.

     Piper masiseanum Trel.

     Piper mastersianum C.DC.

     Piper maternale Trel.

     Piper mathewsii C.DC.

     Piper matudae Lundell

     Piper maxonii C.DC.

     Piper mayanum Lundell

     Piper mazamariense Yunck.

     Piper mazananum Trel.

     Piper mazananum var. arboreum Trel.

     Piper medinaense Trel. & Yunck.

     Piper mediocre C.DC.

     Piper mediocre var. nigricans Trel.

     Piper medium Jacq.

     Piper medium var. ceanothifolium (Kunth) Trel. & Yunck.

     Piper melanocladum C.DC.

     Piper melastomoides Schltdl. & Cham.

     Piper melendezense Trel.

     Piper membranaceum C.DC.

     Piper mendenzense Yunck.

     Piper meraense Trel. & Yunck.

     Piper mercedense Trel.

     Piper mercens Trel.

     Piper meritum Trel.

     Piper merrillii C.DC.

     Piper mestonii F.M.Bailey

     Piper metae Trel.

     Piper metanum Trel. & Yunck.

     Piper methysticum G.Forst.

     Piper mexiae Trel. & Yunck.

     Piper michelianum C.DC.

     Piper microstigma (Miq.) C.DC.

     Piper middlesexense Trel.

     Piper miguel-conejoanum Trel. & Yunck.

     Piper mikaniaefolium Trel.

     Piper mikanianum (Kunth) Steud.

     Piper mikanianum f. clausum Yunck.

     Piper mikanianum var. peltatum Yunck.

     Piper milciadesii Trel. & Yunck.

     Piper millegranum Yunck.

     Piper millepunctulatum Trel. & Yunck.

     Piper minarum C.DC.

     Piper miniatum (Blume) C.DC.

     Piper minute-scabiosum Trel.

     Piper minutipetiolatum C.DC.

     Piper miquelianum C.DC.

     Piper miquelianum C.DC. var. miquelianum

     Piper miquelianum var. hirtellum (C.DC.) Callejas

     Piper miquelii C.DC.

     Piper misantlense C.DC.

     Piper mishuyacuense Trel.

     Piper mite Ruiz & Pav.

     Piper mocoanum Trel. & Yunck.

     Piper moense C.DC.

     Piper moense var. xapuryense (C.DC.) Yunck.

     Piper mollicomum Kunth

     Piper mollipilosum C.DC.

     Piper monagasense Yunck.

     Piper monostigmum C.DC.

     Piper montanum C.DC.

     Piper montealegranum Yunck.

     Piper monteluctans Trel.

     Piper monteverdeanum C.DC.

     Piper morator Trel.

     Piper moscopanense Yunck.

     Piper mosenii C.DC.

     Piper mosqueiroense Trel.

     Piper mourai Yunck.

     Piper muelleri C.DC.

     Piper multiforme Trel. & Yunck.

     Piper multimammosum Trel.

     Piper multinervium var. paralense Trel.

     Piper multinodum C.DC.

     Piper multiocellatum Trel.

     Piper multiplinervium C.DC.

     Piper multistigmum C.DC.

     Piper multitudinis Trel.

     Piper multitudinis var. latum Trel.

     Piper munchanum C.DC.

     Piper muricatum Blume

     Piper murrayanum C.DC.

     Piper musteum Trel.

     Piper mutabile C.DC.

     Piper mutisii Trel. & Yunck.

     Piper myrmecophilum C.DC.

     Piper mystaciferum Trel.

     Piper naiguatanum var. bullatifolium Yunck.

     Piper naiguatanum Yunck.

     Piper napo-pastazanum Trel. & Yunck.

     Piper naris-fractae Trel.

     Piper neblinanum Yunck.

     Piper nebuligaudens Yunck.

     Piper neesianum C.DC.

     Piper neglectum Trel.

     Piper negrosense C.DC.

     Piper nematanthera C.DC.

     Piper nemorale C.DC.

     Piper nemorense C.DC.

     Piper nemori-marginis Trel.

     Piper nepalense Miq.

     Piper nervulosum C.DC.

     Piper niceforoi Trel. & Yunck.

     Piper niedium [ined.]

     Piper nigrescens Blume

     Piper nigribaccum C.DC.

     Piper nigriconnectivum C.DC.

     Piper nigrispicum C.DC.

     Piper nigro-granulatum Trel.

     Piper nigropunctatum C.DC.

     Piper nigrum L.

     Piper niteroiense Yunck.

     Piper nitidifolium C.DC.

     Piper nitidum Sw.

     Piper nitosense Trel. & Yunck.

     Piper nobile C.DC.

     Piper nottirbanum Trel. ex Stehlé

     Piper novae-helvetiae Trel.

     Piper novae-hollandiae Miq.

     Piper novo-granatense C.DC.

     Piper novo-guineense Warb.

     Piper novogalicianum Bornst.

     Piper nubigenum Kunth

     Piper nubigenum var. venezuelense Steyerm.

     Piper nudibracteatum C.DC.

     Piper nudifolium C.DC.

     Piper nudilimbum C.DC.

     Piper nuncupatum Trel.

     Piper obesispicum var. hintoni Trel.

     Piper obidosanum C.DC.

     Piper obiter-sericeum Trel.

     Piper oblanceolatum Trel.

     Piper oblancifolium Yunck.

     Piper obliqum Ruiz & Pav.

     Piper obliquum Ruiz & Pav.

     Piper oblitum Trel.

     Piper oblongatifolium Trel.

     Piper oblongatilimbum Trel.

     Piper oblongatum Opiz

     Piper oblongibaccum C.DC.

     Piper oblongifolium (Klotzsch) C.DC.

     Piper oblongum

     Piper oblongum Kunth

     Piper obovatibracteum C.DC.

     Piper obovatifolium Trel.

     Piper obovatilimbum C.DC.

     Piper obovatum Ruiz & Pav.

     Piper obovatum var. bolivianum C.DC.

     Piper obrutum Trel. & Yunck.

     Piper obtusilimbum C.DC.

     Piper obtusum C.DC.

     Piper obumbratum (Miq.) C.DC.

     Piper odoratum C.DC.

     Piper offensum Trel.

     Piper officinarum (Miq.) C.DC.

     Piper olarianum Trel.

     Piper ollantaitambanum Trel.

     Piper ombumbratum var. puberulum (Miq.) C.DC., Trel. & Yunck. [ined.]

     Piper onus Trel.

     Piper oparumaense Yunck.

     Piper orenocanum C.DC.

     Piper ornatispicum Trel.

     Piper ornithorynchum Trel.

     Piper oroense Yunck.

     Piper orthostachyum Kunth

     Piper ostii Trel.

     Piper otophorum C.DC.

     Piper otto-huberi Steyerm.

     Piper ottoniifolium C.DC.

     Piper ottonoides Yunck.

     Piper ovalifolium C.DC.

     Piper ovatibaccum C.DC.

     Piper ovatifolium Yunck.

     Piper ovatilimbum C.DC.

     Piper ovatilimbum var. parvifolium C.DC.

     Piper ovatum Vahl

     Piper ovatum var. boucheanum (C.DC.) Callejas

     Piper ovatum var. hirtellum C.DC.

     Piper oviedoi Urb.

     Piper oxycarpum C.DC.

     Piper oxyphyllum C.DC.

     Piper oxystachyum C.DC.

     Piper pablense Trel.

     Piper pachyphloium C.DC.

     Piper paganicum Trel.

     Piper palestinanum Trel. & Yunck.

     Piper palmasanum C.DC.

     Piper palmeri C.DC.

     Piper palmeri var. manzanilloanum C.DC.

     Piper palmicola [ined.]

     Piper paludicola Trel.

     Piper palustre C.DC.

     Piper pampa-hermosanum Trel.

     Piper pamploanum Trel. & Yunck.

     Piper pandoense Yunck.

     Piper pansamalanum C.DC.

     Piper papillicarpum Trel.

     Piper papillicaule Trel. & Yunck.

     Piper papillipetiolatum Trel.

     Piper para-peltobryon Trel.

     Piper paracaimanum C.DC.

     Piper paraense (Miq.) C.DC.

     Piper paraguassuanum C.DC.

     Piper paramaribense C.DC.

     Piper parana-puranum Trel.

     Piper parananum Yunck.

     Piper parcipilosum Trel.

     Piper parcirameum C.DC.

     Piper parcum Trel. & Yunck.

     Piper pardinum C.DC.

     Piper parianum Yunck.

     Piper pariense Steyerm. [ined.]

     Piper parimaum Trel.

     Piper parong Quisumb.

     Piper parvibracteum C.DC.

     Piper paso-anchoense Trel.

     Piper patulipilum Yunck.

     Piper patzulinum Trel. & Standl.

     Piper paucartamboanum Trel.

     Piper paucipilosum Yunck.

     Piper pauciramosum Yunck.

     Piper paulowniifolium C.DC.

     Piper pausatum Trel.

     Piper payanum Yunck.

     Piper pebasense Trel.

     Piper peculiare Trel. & Yunck.

     Piper pedicellatum C.DC.

     Piper pedunculatum C.DC.

     Piper peepuloides Roxb.

     Piper pellitum C.DC.

     Piper peltatum L.

     Piper peltobryon C.DC.

     Piper pendentispicum Trel. & Yunck.

     Piper pendentispicum var. teja-mesmeanum Trel. & Yunck.

     Piper pendulifolium C.DC.

     Piper pendulirameum Trel. & Yunck.

     Piper pennellii Trel. & Yunck.

     Piper penninerve C.DC.

     Piper peracuminatum C.DC.

     Piper peralatum

     Piper perareolatum C.DC.

     Piper perbrevicaule var. subglabrilimbum Yunck.

     Piper perbrevicaule Yunck.

     Piper perbrevispicum Yunck.

     Piper perciliatum Trel. & Yunck.

     Piper percostatum Trel.

     Piper perenense Trel.

     Piper perfugii Trel.

     Piper pergamentifolium Trel.

     Piper perhispidum C.DC.

     Piper perijaense Steyerm.

     Piper perlasense Trel.

     Piper perlongispicum Yunck.

     Piper perlongivillosum Yunck.

     Piper permolle Trel. & Yunck.

     Piper permucronatum Yunck.

     Piper pernodosum Yunck.

     Piper perpallidum Ekman, Urb. & Trel.

     Piper perpilibracteum Yunck.

     Piper perpunctulatum Trel.

     Piper perpurgatum Trel.

     Piper perpusillum Callejas

     Piper perscabrifolium Yunck.

     Piper perstipulare Steyerm.

     Piper perstrigosum Yunck.

     Piper pertinax Trel.

     Piper pertomentellum Trel. & Yunck.

     Piper pervelutinum Trel.

     Piper pervenosum C.DC.

     Piper pervenulosum Yunck.

     Piper perverrucosum Trel. & Yunck.

     Piper pervicax Trel.

     Piper pervulsum Trel. & Yunck.

     Piper pervulsum var. santosense Trel. & Yunck.

     Piper pesaresanum C.DC.

     Piper petens Trel.

     Piper petraeum C.DC.

     Piper peyasense Trel. [ined.]

     Piper phegophyllum Trel.

     Piper philippinum Miq.

     Piper philodendron Ridl.

     Piper phthinotrichon (Miq.) C.DC.

     Piper phytolaccifolium Opiz

     Piper picardae C.DC.

     Piper pichisense Trel.

     Piper picobonitoense F.G.Coe & Bornst.

     Piper pictamentum Trel.

     Piper pictamentum var. fluminis Trel.

     Piper piedecueatanum Trel.

     Piper piedecuestanum Trel. & Yunck.

     Piper pileatum Trel.

     Piper piliovarium Yunck.

     Piper pilipes C.DC.

     Piper pilirameum C.DC.

     Piper pilosissimum Yunck.

     Piper pilovarium Yunck.

     Piper piluliferifolium Trel. & Yunck.

     Piper piluliferum Kunth

     Piper pinaresanum Trel.

     Piper pinoganense Trel.

     Piper piojoanum Trel. & Yunck.

     Piper piresii Yunck.

     Piper piritubanum Yunck.

     Piper piscatorum Trel. & Yunck.

     Piper pitalitoense Yunck.

     Piper pittieri C.DC.

     Piper plagiophyllum K.Schum. & Lauterb.

     Piper planipes Trel.

     Piper planipes var. amplum Trel.

     Piper playa-blancanum Trel.

     Piper pleninervosum Trel.

     Piper plurinervosum Yunck.

     Piper poasanum C.DC.

     Piper pogonioneuron Trel. & Standl.

     Piper poiretianum C.DC.

     Piper poiteanum Kunth

     Piper polisanum C.DC.

     Piper politaeneum Trel.

     Piper politi subsp. sipapoense Steyerm.

     Piper politi subsp. toronoense Steyerm.

     Piper politi Yunck.

     Piper politi Yunck. subsp. politi

     Piper politii Yunck.

     Piper politum C.DC.

     Piper polopoloi Trel.

     Piper polycladum C.DC.

     Piper polysyphonum C.DC.

     Piper polytrichum C.DC.

     Piper ponapense C.DC.

     Piper ponapensis C.DC.

     Piper ponganum Trel.

     Piper pontis Trel.

     Piper popayanense C.DC.

     Piper popayenense C.DC.

     Piper poporense Trel. & Yunck.

     Piper porphyrophyllum N.E.Br.

     Piper portachuelense Trel. & Yunck.

     Piper portalense Trel.

     Piper portobellense C.DC.

     Piper positum Trel.

     Piper postelsianum Maxim.

     Piper potamophilum Trel. & Yunck.

     Piper praeacutilimbum C.DC.

     Piper praeclarum Trel.

     Piper praemollitum Trel.

     Piper praesagium Trel. & Yunck.

     Piper prietoi Yunck.

     Piper pringlei C.DC.

     Piper prismaticum var. tilaranum Trel.

     Piper procerum Trel.

     Piper prodiger Trel.

     Piper productispicum Yunck.

     Piper propinqua Kunth

     Piper propinquum C.DC.

     Piper protracticuspidatum Trel. & Yunck.

     Piper provulgatum Trel. & Yunck.

     Piper prunifolium J.Jacq.

     Piper pseudo-churumayu var. membranaceum C.DC.

     Piper pseudo-curvatum Trel.

     Piper pseudo-fuligineum C.DC.

     Piper pseudo-obliquum Trel.

     Piper pseudoamboinense C.DC. [ined.]

     Piper pseudoarboreum Yunck.

     Piper pseudoarmatum Yunck.

     Piper pseudoasperifolium C.DC.

     Piper pseudobredemeyeri Steyerm.

     Piper pseudobumbratum C.DC.

     Piper pseudofimbriulatum Trel.

     Piper pseudofuligineum C.DC.

     Piper pseudogaragaranum Trel.

     Piper pseudoglabrescens Trel. & Yunck.

     Piper pseudogrande Yunck.

     Piper pseudohastularum Steyerm.

     Piper pseudojalapense McKown

     Piper pseudolanceifolium Trel.

     Piper pseudolindenii C.DC.

     Piper pseudomatico Trel.

     Piper pseudomollicomum C.DC.

     Piper pseudonigrum C.DC.

     Piper pseudonobile C.DC.

     Piper pseudoperuvianum C.DC.

     Piper pseudopopayanense Trel. & Yunck.

     Piper pseudopothifolium C.DC.

     Piper pseudottonia E.F.Guim. & Ichaso

     Piper pseudovariabile Trel.

     Piper psilophyllum C.DC.

     Piper psilophyllum var. longepedunculatum Yunck.

     Piper psilorhachis C.DC.

     Piper psilorrhachis C.DC.

     Piper pterocladum C.DC.

     Piper puberlum var. glabrum (Benth.) Maxim.

     Piper puberulescens Trel.

     Piper puberulibracteum var. monticola Trel. & Yunck.

     Piper puberuliciliatum Yunck.

     Piper puberulidrupum Yunck.

     Piper puberulinerve C.DC.

     Piper puberulirameum C.DC.

     Piper puberulum (Benth.) Maxim.

     Piper puberulum var. glabrum (C.DC.) C.A.Sm.

     Piper pubiovarium Yunck.

     Piper pubipetiolum C.DC.

     Piper pubirulibracteum C.DC.

     Piper pubistipulum C.DC.

     Piper pubisubmarginalum var. ubanum Yunck.

     Piper pubisubmarginalum var. urbanum Yunck.

     Piper pubisubmarginalum Yunck.

     Piper pubivaginatum Steyerm.

     Piper puente-altoanum Trel.

     Piper pulchrum C.DC.

     Piper pulleanum Yunck.

     Piper pullispicum Trel.

     Piper pumayacuense Trel.

     Piper punctatum Ruiz & Pav.

     Piper punctulatifolium Trel.

     Piper puraceanum Trel. & Yunck.

     Piper purpusianum Trel.

     Piper purusanum var. miryense Yunck.

     Piper pusticaule Trel.

     Piper puyoense Yunck.

     Piper quadratiovarium Yunck.

     Piper quebradense Trel.

     Piper quentinii Trel.

     Piper quillabambanum Trel.

     Piper quimirianum Trel.

     Piper quitense C.DC.

     Piper radatzii Schum. & Lauterb. [ined.]

     Piper raizudoanum Trel. & Yunck.

     Piper ramipilum C.DC.

     Piper ramosense Yunck.

     Piper ramosii C.DC.

     Piper rasile Trel.

     Piper ratisportanum Trel.

     Piper recensitum Trel.

     Piper reciprocum Trel.

     Piper rectispicum Trel.

     Piper recurvum Blume

     Piper reflexum L.f.

     Piper regnellii (Miq.) C.DC.

     Piper reinwardtianum (Miq.) C.DC.

     Piper reitzii Yunck.

     Piper relaxatum Trel.

     Piper renitens (Miq.) C.DC.

     Piper repentense Trel.

     Piper reptabundum C.DC.

     Piper resalutatum Trel.

     Piper resatum Trel.

     Piper restrictum Trel.

     Piper reticulatum L.

     Piper retrofractum Vahl

     Piper retropilosum C.DC.

     Piper rhinostachyum Trel.

     Piper rhododendrifolium Kunth

     Piper riachoensis Callejas

     Piper richardiifolium Kunth

     Piper ridleyi C.DC.

     Piper riedelii C.DC.

     Piper riitosense Trel. & Yunck.

     Piper rinconense Trel.

     Piper rio-doceanum Trel.

     Piper rio-nechianum Yunck.

     Piper rio-zulianum Trel. & Yunck.

     Piper riocauchosanum Yunck.

     Piper rioense Yunck.

     Piper riojanum Trel.

     Piper riotintasense Yunck.

     Piper ripagaudens Yunck.

     Piper riparense C.DC.

     Piper rivi-vetusti Trel.

     Piper rivinoides f. magnifolium Yunck.

     Piper rivinoides Kunth

     Piper roblalense Yunck.

     Piper robleanum Trel. & Yunck.

     Piper robustipedunculum Yunck.

     Piper rogaguanum Trel.

     Piper ronaldii Steyerm.

     Piper roqueanum Trel.

     Piper roseanum Trel.

     Piper rosei C.DC.

     Piper roseovenulosum Trel.

     Piper rothschuhii C.DC.

     Piper rotundistigmum C.DC.

     Piper rotundistipulum Trel. & Yunck.

     Piper rovirosae C.DC.

     Piper rubiginosum Trel.

     Piper rufibrachium Trel.

     Piper rufipilum Yunck.

     Piper rugosibaccum Trel.

     Piper rugosilimbum Trel.

     Piper rugosum Lam.

     Piper rupununianum Trel. & Yunck.

     Piper rurrenabaqueanum Trel.

     Piper rusbyi C.DC.

     Piper rusticum Trel. & Yunck.

     Piper sabanaense Yunck.

     Piper sablanum Quisumb.

     Piper sacchamatesense Yunck.

     Piper sagax Trel.

     Piper sagittifolium C.DC.

     Piper sagittifolium var. reductum Trel.

     Piper saldanhai Yunck.

     Piper salentoi Trel. & Yunck.

     Piper salgaranum Trel. & Yunck.

     Piper salinasanum C.DC.

     Piper salinasanum var. parvifolium C.DC.

     Piper saloyanum Trel. & Yunck.

     Piper saltuum C.DC.

     Piper salutatrix Trel.

     Piper samanense Urb.

     Piper sampaioi Yunck.

     Piper san-blasense Trel.

     Piper san-joseanum C.DC.

     Piper san-joseanum var. kobense Trel.

     Piper san-joseanum var. panamanum Trel.

     Piper san-joseanum var. remediosense Trel.

     Piper san-joseanum var. tabogense Trel.

     Piper san-martinense Trel.

     Piper san-miguelense Trel. & Yunck.

     Piper san-nicolasense Trel.

     Piper san-ramonense Trel.

     Piper san-vicentense Trel. & Yunck.

     Piper sanandresense Trel. & Yunck.

     Piper sancarlosianum C.DC.

     Piper sanctae-crucis C.DC.

     Piper sancti-felicis Trel.

     Piper sanctum (Miq.) Schltdl.

     Piper sandemanii Yunck.

     Piper sangabrielanum Trel.

     Piper sangorianum C.DC.

     Piper sanguineispicum Trel.

     Piper sanmartinense Trel. & Yunck.

     Piper sanroqueanum Trel.

     Piper santa-martanum C.DC.

     Piper santa-rosanum C.DC.

     Piper santi-felicis Trel.

     Piper santiaganum Trel.

     Piper santo-domingense Trel.

     Piper saramaccanum Trel. & Yunck.

     Piper sarawakanum C.DC.

     Piper sarcopodum C.DC.

     Piper sarmentosum Roxb.

     Piper sasaimanum Yunck.

     Piper satisfactum Trel.

     Piper savanense C.DC.

     Piper saxlimii C.DC.

     Piper scabiosifolium Trel.

     Piper scabricaule Trel.

     Piper scabridulicaule Trel.

     Piper scabridulilimbum Trel. & Yunck.

     Piper scabrifolium Hook. & Arn.

     Piper scabrilimbum C.DC.

     Piper scabriseptum var. reductum Trel.

     Piper scabritibium Trel.

     Piper scabrum Sw.

     Piper scalariforme Trel.

     Piper scalarispicum Trel.

     Piper scansum Trel. & Yunck.

     Piper scapispicum Trel.

     Piper schenckii C.DC.

     Piper schenkii C.DC.

     Piper schiedeanum Steud.

     Piper schippianum Trel. & Standl.

     Piper schlechtendahlianum (Miq.) C.DC.

     Piper schlechtendalii Steud.

     Piper schlimii C.DC.

     Piper schmidtii Hook.f.

     Piper schottii (Miq.) C.DC.

     Piper schultesii Yunck.

     Piper schwackei C.DC.

     Piper scobinifolium Yunck.

     Piper scortechinii C.DC.

     Piper scutelliferum var. aureum C.DC.

     Piper scutifolium Yunck.

     Piper scutilimbum C.DC.

     Piper scutispicum Trel.

     Piper sebastianum Yunck.

     Piper sect. Ottonia Spreng.

     Piper secundum Ruiz & Pav.

     Piper sellertianum Trel.

     Piper semicrudum Trel.

     Piper semimetrale C.DC.

     Piper seminitidulum Trel.

     Piper semiplenum Trel.

     Piper semivolubile C.DC.

     Piper semperflorens C.DC.

     Piper sempervirens (Trel.) Lundell

     Piper septuplinervium (Miq.) C.DC.

     Piper septuplinervium var. subpubinerve Yunck.

     Piper serotinum Trel.

     Piper serpavillanum Trel.

     Piper sesquimetrale Trel.

     Piper setigerum Trel.

     Piper setosum Trel. & Yunck.

     Piper setulosum Trel.

     Piper siassiense C.DC.

     Piper sibulanum C.DC.

     Piper sidifolium Link & Otto

     Piper sidipilum Trel.

     Piper sierra-aroense Steyerm.

     Piper silvigaudens Yunck.

     Piper silvioberrans Trel.

     Piper silvivagum C.DC.

     Piper silvivagum f. peruvianum C.DC.

     Piper simile Quisumb.

     Piper sinense (Champ. ex Benth.) C.DC.

     Piper sinuatispicum Trel.

     Piper sinuclausum Trel.

     Piper sinugaudens C.DC.

     Piper sipenanum Trel. & Yunck.

     Piper siriboa G.Forst.

     Piper skutchii Trel. & Yunck.

     Piper smilacifolium Kunth

     Piper sneidernii Yunck.

     Piper snethlagei Yunck.

     Piper sociorum Trel. & Yunck.

     Piper sodiroi C.DC.

     Piper soledadense Trel.

     Piper soledadense var. angustum Trel.

     Piper solmsianum C.DC.

     Piper solmsianum C.DC. var. solmsianum

     Piper solmsianum var. hilarianum (Kunth) Yunck.

     Piper solmsianum var. hilarium C.DC.

     Piper solutidrupum Yunck.

     Piper somniculosum Trel.

     Piper sonsonatense Standl. & S.Calderon

     Piper soricicaudatum Trel.

     Piper sororium (Miq.) C.DC.

     Piper sorsogonum C.DC.

     Piper sotai Yunck.

     Piper sphaerocarpum (Griseb.) C.DC. ex C.Wright

     Piper spoliatum Trel. & Yunck.

     Piper sprengelianum C.DC.

     Piper spruceanum C.DC.

     Piper squali-pelliculum Trel.

     Piper squamulosum C.DC.

     Piper standleyi Trel.

     Piper steinbachii Yunck.

     Piper stellipilum (Miq.) C.DC.

     Piper sternii Yunck.

     Piper steyermarkii Yunck.

     Piper stiliferum Yunck.

     Piper stipulaceum Opiz

     Piper stipulare A.C.Sm.

     Piper striatifolium Yunck.

     Piper striatipetiolum Yunck.

     Piper striatum C.DC.

     Piper strictinervosum Trel.

     Piper strigillosicaule Trel.

     Piper strigillosum Trel.

     Piper strigosum Trel.

     Piper stupposum A.Dietr.

     Piper stylosum Miq.

     Piper subaduncum Yunck.

     Piper subaequilaterum Trel.

     Piper subaerophilum C.DC.

     Piper subalpinum Yunck.

     Piper subasperatum Trel.

     Piper subbrunneispicum Yunck.

     Piper subcinereum C.DC.

     Piper subcinereum var. parvifolium Yunck.

     Piper subcinerosum Trel.

     Piper subconcinnum C.DC.

     Piper subcrassifolium Yunck.

     Piper subcrenulatum C.DC.

     Piper subduidaense Yunck.

     Piper subdurum Trel.

     Piper subfalcatum Yunck.

     Piper subflavispicum C.DC.

     Piper subflavum C.DC.

     Piper subfrutescens Trel. & Yunck.

     Piper subfuscum C.DC.

     Piper subglabrescens Trel. & Yunck. [ined.]

     Piper subglabribracteatum C.DC.

     Piper subglabrifolium C.DC.

     Piper subglabrum C.DC.

     Piper subjapurense Trel.

     Piper sublignosum Yunck.

     Piper sublineatum Kuntze

     Piper submarginense C.DC.

     Piper submelanostictum var. amelanostictum Yunck.

     Piper subnitidifolium Yunck.

     Piper subnitidum C.DC.

     Piper subnudibracteum C.DC.

     Piper subpeltatum Willd.

     Piper subpuberulum Trel.

     Piper subpurpureum C.DC.

     Piper subquinquenerve Trel.

     Piper subrepens Trel.

     Piper subrubrispicum C.DC.

     Piper subrugosum Yunck.

     Piper subscabridum C.DC.

     Piper subscutatum (Miq.) C.DC.

     Piper subsessile Trel.

     Piper subsessilifolium C.DC.

     Piper subsessilifolium var. morii Steyerm.

     Piper subsilvestre C.DC.

     Piper subsilvulanum C.DC.

     Piper substilosum Yunck.

     Piper subtextum Trel.

     Piper subtomentosum Trel. & Yunck.

     Piper subtrinerve Trel.

     Piper subulatum C.DC.

     Piper subvariabile Trel.

     Piper subzhorquinense C.DC.

     Piper suffruticosum Trel.

     Piper sulcatum Blume

     Piper supernum Trel. & Yunck.

     Piper suratanum Trel. & Yunck.

     Piper surubresanum Trel.

     Piper suspectum Trel.

     Piper svidaefolium Trel.

     Piper sylvaticum Roxb.

     Piper sylvestre Lam.

     Piper tabernillanum var. anconense Trel.

     Piper taboganum C.DC.

     Piper tachiranum Yunck.

     Piper tamatamum Trel.

     Piper tamayoanum Steyerm.

     Piper taperanum Yunck.

     Piper taperinhanum Yunck.

     Piper tapianum Trel.

     Piper tardans Trel.

     Piper tardigranulatum Trel.

     Piper tardum Trel.

     Piper tarrazuense Trel.

     Piper tectoniifolium Kunth

     Piper tectonipolium Kunth

     Piper telanum Trel.

     Piper tentatum Trel.

     Piper tenue Kunth

     Piper tenuiamentum var. constanzanum C.DC.

     Piper tenuiculispicum Trel.

     Piper tenuicuspe (Miq.) C.DC.

     Piper tenuilimbum C.DC.

     Piper tenuimucronatum C.DC.

     Piper tenuipedunculum C.DC.

     Piper tenuistylum C.DC.

     Piper tepicanum C.DC.

     Piper terrabanum C.DC.

     Piper terryae Standl.

     Piper tesseraespicum Trel.

     Piper tessmanni Trel.

     Piper thomas-albertoi Trel. [ined.]

     Piper thomasii Tebbs

     Piper tiliifolium Ham. ex Desv.

     Piper timbiquinum C.DC.

     Piper timothianum A.C.Sm.

     Piper tingens Trel.

     Piper tocacheanum C.DC.

     Piper tonduzii C.DC.

     Piper toppingii C.DC.

     Piper torribiense Trel.

     Piper tortivenulosum var. glabrum Yunck.

     Piper tortivenulosum Yunck.

     Piper tortuosivenosum Trel.

     Piper townsendii C.DC.

     Piper trachydermum Trel.

     Piper translucens Yunck.

     Piper transpontinum Trel.

     Piper treleaseanum Britton & P.Wilson

     Piper trianae C.DC.

     Piper triandrum F.Muell.

     Piper trichogynum C.DC.

     Piper trichoneuron (Miq.) C.DC.

     Piper trichophlebium Quisumb.

     Piper trichorhachis C.DC.

     Piper tricopus Trel.

     Piper tricuspe (Miq.) C.DC.

     Piper tridentipilum C.DC.

     Piper trigoniastrifolium C.DC.

     Piper trigonocarpum Trel.

     Piper trigonodrupum Yunck.

     Piper trigonum C.DC.

     Piper trinervis Ruiz & Pavon [ined.]

     Piper trineuron Miq.

     Piper trinitatis C.DC.

     Piper tristemon C.DC.

     Piper trozadoanum Trel. [ined.]

     Piper truman-yunckeri Callejas

     Piper trumanyunckerii Callejas

     Piper truncatum Vell.

     Piper tsakianum C.DC.

     Piper tuberculatum Jacq.

     Piper tuberculatum Jacq. var. tuberculatum

     Piper tuberculatum var. alleni Trel.

     Piper tuberculatum var. cangrejalense Trel.

     Piper tuberculatum var. minus C.DC.

     Piper tucumanum C.DC.

     Piper tuerckheimii C.DC.

     Piper tuerckhimii C.DC.

     Piper tumidicondyli Trel.

     Piper tumidipedunculum Trel.

     Piper tumupasense Yunck.

     Piper turbense Trel.

     Piper uaupesense Yunck.

     Piper ubatubensis Callejas

     Piper ucayalianum Trel.

     Piper udicola C.DC.

     Piper udimontanum C.DC.

     Piper udisilvestre C.DC.

     Piper uhdei C.DC.

     Piper ulceratum Trel.

     Piper uleanum Trel.

     Piper ulei C.DC.

     Piper umbellatum L.

     Piper umbellatum Steud.

     Piper umbellatum var. subpeltatum C.DC.

     Piper umbricola C.DC.

     Piper umbriense var. caudatum Trel. & Yunck.

     Piper umbrigaudens C.DC.

     Piper unauriculatum Trel.

     Piper unguiculatum Ruiz & Pav.

     Piper unguiculatum var. longifolium C.DC.

     Piper urdanetanum C.DC.

     Piper urophyllum C.DC.

     Piper urostachyum Hemsl.

     Piper uspantanense C.DC.

     Piper utinganum Yunck.

     Piper vaginans C.DC.

     Piper valdivianum Callejas

     Piper valetudinari Trel.

     Piper valladolidense Yunck.

     Piper vanderveldeanum Trel.

     Piper vara-blancanum Trel.

     Piper vargasii Trel. [ined.]

     Piper variabile var. obtentum Trel.

     Piper varibracteum C.DC.

     Piper variegatum Kunth

     Piper variifolium C.DC.

     Piper varium Trel.

     Piper vaupelii Laubert

     Piper vellosoi Yunck.

     Piper vellozianum (Miq.) Trel.

     Piper velutibracteum C.DC.

     Piper velutinibaccum C.DC.

     Piper velutininervosum Trel.

     Piper veneralense Trel. & Yunck.

     Piper venosum (Miq.:) C.DC.

     Piper venturii var. yesoanum Trel.

     Piper venulosissimum Yunck.

     Piper veraguense C.DC.

     Piper verbascifolium (Miq.) C.DC.

     Piper vermiculatum C.DC.

     Piper verruclifolium Trel.

     Piper verrucosum Sw.

     Piper verruculaecaule Trel.

     Piper verruculaefolium Trel.

     Piper verruculosum C.DC.

     Piper versteegii C.DC.

     Piper verticillatispisca Trel. & Yunck.

     Piper via-chicoense Yunck.

     Piper viae-marginis Trel.

     Piper vicosanum var. scandens Yunck.

     Piper vicosanum Yunck.

     Piper vicosanum Yunck. var. vicosanum

     Piper vigulticola Trel. [ined.]

     Piper villalobosense Yunck.

     Piper villarrealii Yunck.

     Piper villilimbum C.DC.

     Piper villiramulum C.DC.

     Piper villosispicum Trel.

     Piper villosissimum Yunck.

     Piper villosum Callejas

     Piper viminale Opiz

     Piper viminifolium Trel.

     Piper virgatum Yunck.

     Piper virgenense Trel. & Yunck.

     Piper virginis Trel.

     Piper virgulticola Trel.

     Piper viridicaule var. nievecitanum Trel.

     Piper viridilimbum Trel.

     Piper viridistachyum Yunck.

     Piper viscaianum Trel. & Yunck.

     Piper vitabundum Trel.

     Piper vitaceum Yunck.

     Piper vitaceum Yunck. var. vitaceum

     Piper viticaule Yunck.

     Piper vitiense A.C.Sm.

     Piper wachenheimii Trel.

     Piper wagneri C.DC.

     Piper wallichii (Miq.) Hand.-Mazz.

     Piper warakaboura (Miq.) C.DC.

     Piper wedelii var. retrohirsutum Yunck.

     Piper wedelii Yunck.

     Piper wightii Miq.

     Piper wilhelmense Chew ex P.Royen

     Piper williamsii C.DC.

     Piper williamsii Trel.

     Piper wingfieldii Steyerm.

     Piper woytkowskii Yunck.

     Piper wrightii C.DC.

     Piper wurdackii Yunck.

     Piper xalapense C.DC.

     Piper xanthostachyum C.DC.

     Piper xapuryense C.DC.

     Piper xylosteoides (Kunth) Steud.

     Piper xylosteoides Kunth

     Piper xylosteoides Kunth var. xylosteoides

     Piper yanaconasense Trel. & Yunck.

     Piper yanaconasense var. glabratum Yunck.

     Piper yessupianum Trel.

     Piper yousei Trel.

     Piper yucantenense C.DC.

     Piper yucatanense C.DC.

     Piper yucatenense C.DC.

     Piper yunckeri Trel.

     Piper yunckeri var. latum Trel.

     Piper yungasanum Yunck.

     Piper yurimaguasanum Trel.

     Piper yzabalanum C.DC. ex Donn.Sm.

     Piper zacatense C.DC.

     Piper zarumanum Trel. & Yunck.

     Piper zepelacioi Trel.

     Piper zeylanicum Miq.

     Piper zubinetanum Trel.

Pothomorphe

     Pothomorphe baileyorum var. paucispica Trel.

     Pothomorphe dussii Trel.

     Pothomorphe hintoni Trel.

     Pothomorphe insignis Kunth

     Pothomorphe lessertiana var. pasionis Trel.

     Pothomorphe Miq.

     Pothomorphe nanchal Trel.

     Pothomorphe peltata (L.) Miq.

     Pothomorphe peltata var. hypoleuca Trel.

     Pothomorphe tecumensis var. grandis Trel.

     Pothomorphe umbellata (L.) Miq.

Sarcorhachis

     Sarcorhachis incurva (Sieber & Schult.) Trel.

     Sarcorhachis naranjoana (C.DC.) Trel.

     Sarcorhachis obtusa (Miq.) Trel. var. obtusa

     Sarcorhachis schwackei Yunck.

Symbryon

     Symbryon tetrastachym Griseb.

Trianaeopiper

     Trianaeopiper garciae var. decurtispicum Trel. & Yunck.

Verhuellia

     Verhuellia reniformis (Willd. ex Link) C.DC.

Zippelia

     Zippelia begonifolia Blume

     Zippelia begoniifolia Blume