Buchenavia parvifolia
Description
Briefly deciduous or ? sometimes evergreen tree, 3-31 m, with plank buttresses 30 cm wide. Leaves chartaceous, usually obovate or narrowly so or oblong-obovate, on juvenile shoots rhombic or obtrullate, (0.6-)1-4(-5.5) x (0.3-)0.5-2 cm, apex rounded or rarely retuse to obtuse, base narrowly decurrent-cuneate, appressed-pubescent when very young, becoming glabrous except often sparsely pubescent on midvein when mature; domatia present; venation brochidodromous, midvein moderate to fine, prominent to scarcely so, secondary veins (3-)4-6(-8) pairs, moderately spaced to distant, originating at widely acute angles, curved to slightly so, slightly prominent, intersecondary veins common, often almost as evident as secondaries, tertiary veins randomly reticulate; higher order veins not distinct; areolation incomplete; petiole 0.2-1.2 cm long, pubescent, becoming sparsely so, eglandular. Inflorescence 1-2.4 cm long, more or less capitate, with only ca. 3-4 closely grouped flowers; peduncle 1-2 cm, rufous pubescent in flower, becoming subglabrous and much thicker in fruit; rhachis 0.2-0.4 cm. Flowers 2.5-4.5 mm long; lower hypanthium 1.5-2.5 mm long, rather gradually narrowed to neck ca. half total length, glabrous,upper hypanthium 1-1.6 x 2.3-3 mm, glabrous to sparsely pilose. Fruit glabrous, 1-2.6 x 0.7-1.6 cm, elliptic to obovate in side view, more or less terete, apex rounded or obtuse and often shortly apiculate (apiculus rarely up to 2 mm), base rounded to acute and sometimes very shortly pseudostipitate.
Distribution
Amazon river-basin present, Guianas present present, Southern America: Brazil North (Amapá present, Pará present); Peru (Peru present); Venezuela (Venezuela present), eastern Ecuador present
Amazon river-basin from eastern Ecuador and Peru to Pará and Amapá in Brazil, and scattered N to Venezuela and the Guianas; 6 specimens from the Guianas (GU: 4; FG: 2).