Pouteria sessilis T.D.Penn.
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Authority
Pennington, Terence D. 1990. Sapotaceae. Fl. Neotrop. Monogr. 52: 1-750. (Published by NYBG Press)
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Family
Sapotaceae
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Scientific Name
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Type
Type. Peru. Loreto: Jenaro Herrera Arboretum, Aug-Sep 1976 (fl), Bernardi s.n. (Tree 6/222) (holotype, G).
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Description
Latin Diagnosis - Arbor; ramuli novelli adpresse puberuli, mox glabri, cinerascenti-brunnei, squamati, elenticellati. Folia congesta, spiraliter disposita, 10-15 × 5.9-9 cm, late elliptica vel obovata, apice obtusa, interdum breviter cuspidata, basi obtusa, coriacea, glabra, venatio plerumque eucamptodroma; interdum prope apicem brochidodroma; costa supra leviter prominula; nervus marginalis praesens; nervi secundarii 10-11-jugi, ascendentes; paralleli, leviter arcuati; nervi intersecundarii nulli; nervi tertiarii laxe reticulati et obliqui. Petiolus 1.1-1.8 cm longus, non canaliculata, glaber. Fasciculi 1-pauci-flori, axillares. Pedicellus 0.5-1 cm longus, breviter pubescens. Sepala quinque, 3-3.5 cm longa, ovata vel oblonga, apice obtusa usque rotundata, extus pubescentia, intus glabrescentia, fimbriato ciliata. Corolla cyathiformis, 7.5-8 mm longa, tubus ca. 2.5 mm longus, lobi quinque, 4.5-5 mm longi, late elliptici, apice rotundati, basi leviter auriculata glabri. Stamina quinque, ad apicem tubo corollae affixa; antherae 4-4.5 mm longae, lanceolatae, glabrae, sessiles sed prominentibes filis vascularibus usque ad basin tubi corollae visibilibus. Staminodia quinque, 4-4.5 mm longa, anguste lanceolata, plica longitudinali carinam adaxialem prominentem faciente, glabra. Discus nullus. Ovarium in stylum decrescens, bilocu-lare, dense et longe strigosum; stylus post anthesin ca. 4 mm longus, inclusus, dense strigosus; styli capitulum simplex. Fructus ignotus.
Species Description - Tree, young shoots appressed puberulous, soon glabrous, greyish-brown, scaling, without lenticels. Leaves clustered, spirally arranged, 10-15 × 5.9-9 cm, broadly elliptic or obovate, apex obtuse, sometimes shortly cuspidate, base obtuse, coriaceous, glabrous; venation mostly eucamptodromous, sometimes brochidodromous near apex, midrib slightly raised on upper surface, marginal vein present, secondary veins 10-11 pairs, ascending, parallel, slightly arcuate; intersecondaries absent; tertiaries open-reticulate and some oblique. Petiole 1.1-1.8 cm long, not channelled, glabrous. Fascicles axillary, 1-few-flowered. Pedicel 0.5-1 cm long, shortly pubescent. Sepals five, 3-3.5 mm long, ovate or oblong, apex obtuse to rounded, pubescent outside, glabrous inside, fringed-ciliate. Corolla cyathiform, 7.5-8 mm long, tube ca. 2.5 mm long, lobes five, 4.5-5 mm long, broadly elliptic, apex rounded, slightly auriculate at base, glabrous. Stamens five, fixed at the top of the corolla tube; anthers 4-4.5 mm long, lanceolate, glabrous, sessile, but prominent filament traces visible to base of corolla tube. Staminodes five, 4-4.5 mm long, narrowly lanceolate with a longitudinal fold forming a prominent adaxial keel, glabrous. Disk absent. Ovary tapering gradually to style, bilocular, densely long-strigose; style ca. 4 mm long after anthesis, included, densely strigose; style-head simple. Fruit unknown.
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Distribution
Known only from the type collection in Amazonian Peru, where it is a component on lowland wet forest.
Peru South America| Amazonas Peru South America| Loreto Peru South America|