Pradosia verticillata Ducke
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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. Brazil. Amazonas: Manaus, Villa Municipal, Oct 1941 (fl, fr), Ducke 811 (holotype, RB; isotypes, F, IAN, K, MG, MO, NY, R, US).
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Description
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Species Description - Tree; young shoots brown-tomentose, becoming glabrous, grey-brown, rough, with prominent lenticels. Leaves loosely to densely clustered, in whorls of 5-7, 11.5-26 × 4.5-9.6 cm, broadly oblanceolate, apex shortly obtusely attenuate to rounded, base acute to narrowly cuneate, coriaceous, upper surface glabrous except for residual tomentum along midrib, lower surface shortly dark brown-pubescent, denser on midrib and veins; venation eucamptodromous, marginal vein present, midrib sunken on the upper surface, secondary veins 23-26 pairs, parallel, slightly arcuate; impressed on the upper surface; intersecondaries absent; tertiaries numerous, oblique; quaternary reticulum sometimes visible. Petiole 1.5-4 cm long, channelled in upper part, brown-tomentose, stipels absent. Fascicles 5-10-flowered, on branches and twigs. Pedicel ca. 1 mm long, appressed puberulous. Sepals five, ca. 2 mm long, ovate, apex obtuse, appressed puberulous outside, glabrous inside. Corolla ca. 4 mm long, tube ca. 1.5 mm long, lobes five(six), ca. 2.5 mm long, elliptic or lanceolate, apex rounded, densely sericeous outside, margin glabrous, glabrous inside. Stamens five(six), fixed at base of corolla lobes; filaments ca. 2.5 mm long, glabrous; anthers ca. 1 mm long, lanceolate, glabrous. Ovary conical, tapering gradually into style, five-locular, densely strigose; style ca. 1.5 mm long after anthesis, glabrous; style-head simple. Fruit 3.5-5 cm long, narrowly obovoid, asymmetric, one side straight or concave, the other convex, apex rounded, base tapered, smooth, glabrous. Seed solitary, 2.5-3 cm long, laterally compressed, apex rounded, base acute, asymmetric, testa smooth, shining, thin; scar adaxial, full-length, ca. 4 mm wide; embryo with thinly plano-convex, free cotyledons, radicle exserted ca. 4 mm; endosperm a thin sheath. Field characters. Tree to 33 m high and 35 cm diam. with short simple stout buttresses to 0.5 m high; bark pale buff-brown exfoliating in large irregular thin sheets, and becoming dippled, slash orange-brown, exuding some sticky white latex; crown broad, with massive twigs and dense terminal clusters of leaves. Rowers dark violet-blackish. Flowering and fruiting in Oct (Brazil).
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Objects
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Distribution
French Guiana and central Amazonas, Brazil, in mixed lowland rain forest on high ground, up to 400 m altitude.
French Guiana South America| Brazil South America| Amazonas Brazil South America|