Tree up to 20m tall. Branchlets glabrous or yellow- to whitish-puberulous to -pubescent, periderm persistent. Stipules 0.8-2(-3) cm long, glabrous, appressed-puberulous or pubescent; petiole 0.5-2 cm long, 2-4 mm thick, broadly canaliculate above, at least in the upper part; blade coriaceous, narrowly elliptic to obovate, 7-31 x 1.5-19 cm, apex acuminate, base attenuate to acute to obtuse to truncate, margin entire, glabrous above, glabrous or pubescent at the base of the primary vein beneath; veins more or less prominent beneath, secondary veins 12-23 pairs. Staminate inflorescences 0.5-2.2 cm in diam.; peduncle 0.1-0.7 cm long; involucral bracts 9-25; flowers free; stamens 2-4. Pistillate inflorescences 0.7-1 cm in diam., sessile or subsessile; flowers (5-)10-30; tepals 4-7, free parts subulate to spine-like, 1-4 mm long, in fruit up to 8 mm long; stigmas 7-13 mm long. Infructescences hemispherical to subglobose, 1.5-4.5 cm in diam.
French Guiana present, Marowijne Creek present, Sipaliwini Savanna present, Southern America: Bolivia (Bolivia present); Peru (Peru present), Surinam present, Upper Amazon Basin present, Upper Maroni River present, northern and western Colombia present
Upper Amazon Basin (Bolivia, Brazil, Peru), extending to northern and western Colombia, also in French Guiana (Upper Maroni River) and Surinam (Marowijne Creek, and Sipaliwini Savanna).