Tree (5-)15-45 m. Leaves coriaceous, obovate or elliptic-obovate to narrowly so, 2.5-16 x 1.3-7 cm, apex rounded to subacute or sometimes retuse or apiculate, base cuneate, densely rufous-pubescent when very young but soon subglabrous except sparsely pubescent on midvein, especially below; domatia usually present; venation brochidodromous or eucamptodromous-brochidodromous, midvein moderate to strong, prominent, secondary veins 5-10 pairs, moderately spaced, originating at moderately to widely acute angles, curved, prominent, intersecondary veins absent, tertiary veins weakly to strongly percurrent, usually rather prominent; higher order veins often distinct; areolation usually well developed, small, usually rather prominent; petiole (0.5-)1-2.8 cm long, pubescent to sparsely so, usually eglandular but sometimes inconspicuously biglandular. Inflorescence 3-12 cm long, spicate; peduncle 1.2-2.4 cm, puberulous; rhachis 2.2-10 cm, puberulous. Flowers 2.5-3.5 mm long; lower hypanthium ca. 2 mm long, glabrous to densely pubescent, with neck ca. half of length and glabrous to sparsely pubescent,upper hypanthium ca. 1.5 x 2.5-4 mm, glabrous to very sparsely pubescent. Fruit glabrous to densely tomentellous, 2.4-3.5 x 1.1-1.6(-2.5) cm, elliptic in side view, more or less terete, apex rounded to apiculate, base shortly pseudostipitate.
Amazon river-basin of Brazil present, French Guiana present, Guianas present, Southern America: Peru (Peru present), eastern Brazil present, eastern Ecuador present
Amazon river-basin of Brazil and eastern Ecuador and Peru, in eastern Brazil, just reaching French Guiana; 1 collection from the Guianas (FG: 1).