Pouteria kaieteurensis T.D.Penn.
-
Authority
Pennington, Terence D. 1990. Sapotaceae. Fl. Neotrop. Monogr. 52: 1-750. (Published by NYBG Press)
-
Family
Sapotaceae
-
Scientific Name
-
Type
Type. Guyana. Kaieteur Plateau, nr. Kaieteur Falls, Feb 1962 (fl), Cowan & Soderstrom 1960 (holotype, NY; isotypes, F, K, US, VEN).
-
Description
Latin Diagnosis - Arbor parva; ramuli novelli minute adpresse ferrugineo-puberuli, mox glabri, cinerascentibrunnei, longitudinaliter costati, elenticellati. Folia dissita, spiraliter disposita, 8-13 × 3.9-6.2 cm, ovata vel late lanceolata, apice anguste attenuata, basi rotundata vel obtusa, coriacea, supra glabra, infra glabra vel costa pilis paucis adpressis vestita, leviter glauca; venatio plerumque eucamptodroma; nervus marginalis validus; costa supra valde elevata; nervi secundarii 11-13-jugi, paralleli, recti vel leviter arcuati, in superficiebus ambabus impressi; nervi intersecundarii breves vel nulli; nervi tertiarii laxe reticulati vel horizontales pauci. Petiolus (1.5-)2-2.8 cm longus, interdum leviter canaliculata, subglaber. Fasciculi 15-25-flori, axillares. Pedicellus ca. 2 mm longus, adpresse puberulus. Flores bisexuales (?). Sepala quinque, 2-2.5 mm longa, ovata, apice obtusa, basi coalita. Corolla cyathiformis, ca. 2.5 mm longa; lobi tubum aequantes; lobi quinque, ovati vel elliptici, apice obtusi, glabri. Stamina quinque, ad apicem tubo corollae affixa; filamenta ca. 0.75 mm longa, glabra; antherae ca. 0.4 mm longae, ovatae, rotundatae, glabrae. Staminodia nulla. Discus nullus. Ovarium late ovoideum, biloculare, adpresse pubescens; stylus post anthesin ca. 0.5 mm longus, glaber; styli capitulum simplex. Fructus immaturus ellipsoidea, apice rotundatus, adpresse aureobrunneo puberulus.
Species Description - Small tree; young shoots minutely appressed ferruginous-puberulous, soon glabrous, greyish-brown, longitudinally ribbed, without lenticels. Leaves spaced, spirally arranged, 8-13 × 3.9-6.2 cm, ovate or broadly lanceolate, apex narrowly attenuate, base rounded or obtuse, coriaceous, glabrous above, glabrous below or with a few appressed hairs on midrib, slightly glaucous; venation moistly eucamptodromous, with a strong marginal vein, midrib sharply raised on the upper surface, secondary veins 11-13 pairs, parallel, straight or slightly arcuate, impressed on both surfaces; intersecondaries short or absent; tertiaries open reticulate, with a few horizontal. Petiole (1.5-)2-2.8 cm long, not or only slightly channelled, subglabrous. Fascicles 15-25-flowered, axillary. Pedicel ca. 2 mm long, appressed puberulous. Flowers bisexual (?). Sepals five, 2-2.5 mm long, ovate, apex obtuse, fused at base. Corolla cyathiform, ca. 2.5 mm long, tube equalling the lobes, lobes five, ovate or elliptic, apex obtuse, glabrous. Stamens five, fixed at the top of the corolla tube; filaments ca. 0.75 mm long, glabrous; anthers ca. 0.4 mm long, ovate, rounded, glabrous. Staminodes absent. Disk absent. Ovary broadly ovoid, bilocular, appressed pubescent; style ca. 0.5 mm long after anthesis, glabrous; style-head simple. Young fruit ellipsoid, apex rounded, appressed golden-brown puberulous. Field characters. Tree to 4 m high with white latex, leaves glaucous below; flowers yellow. Flowering Feb, fruit probably maturing Jun-Aug.
-
Objects
-
Distribution
Known only from savanna and low savanna forest on the Kaieteur Plateau, Guyana, ca. 400 m altitude.
Guyana South America|