Tree up to 50 m tall, usually monoecious. Branchlets whitepuberulous to pubescent. Stipules connate, fully amplexicaul, (0.5-)1-4.5 cm long, puberulous or pubescent; petiole 0.3-2.5(-2) cm long, when dry its epidermis flaking off; blade coriaceous, ovate to narrowly ovate or elliptic to narrowly elliptic, (2-)5-20(-26) x (2-)3-10 cm, apex acuminate, base obtuse sometimes acute or subcordate, margin entire, almost glabrous above, almost glabrous or sparsely puberulous beneath; primary vein almost plane above, veins slightly prominent to plane beneath, secondary veins 12-24 pairs, tertiary venation partly scalariform. Inflorescences usually bisexual, globose, turbinate or hemispherical, 0.5-0.8 cm in diam., peduncle 0.1-3.5 cm long. Staminate flowers a few to numerous; perianth 0.1-1 mm high, with 1-5 tepals; stamens 1; stigmas 0.3-0.8 cm long. Infructescences globoseca. 3 cm in diam., at maturity brownish.
Northern part of the Amazon Basin, extending to French Guiana present, Upper Maroni River present, Upper Oyapock River present
Northern part of the Amazon Basin, extending to French Guiana (Upper Maroni River, Upper Oyapock River).