Liana or shrub; young branches tomentose to tomentellous, becoming glabrous with age. Stipules lanceolate, 2-4 mm long, subpersistent or caducous, densely tomentose, margin entire. Petiole 2-35 mm long, densely tomentose; blade thickly coriaceous, oblong to ovate-elliptic, 6-32 x 3.5-21 cm, most frequently acute but varying from rounded to acuminate at apex, subcuneate, rounded or subcordate at base, plane not bullate, or weakly bullate only above, densely hirsute beneath; midrib plane and pubescent above, 7-13 pairs of secondary veins, slightly impressed above. Inflorescence a terminal, axillary or petiolar corymbose panicle, 1.5-8 cm long, rachis and branches tomentose. Flowers hermaphrodite; pedicels 0.5-2 mm long; bracts and bracteoles triangular, 0.5-3 mm long, persistent, tomentose; calyx 3-3.5 mm long, densely ferrugineous-tomentose on exterior, lobes equal; petals of 5 equal lobes, bifid and weakly cucullate at apex, creamy white, glabrous; fertile stamens 5, alternating with and equalling petal lobes; disk of 5 separate bifid glands, united at base; ovary lanate on exterior, style lanate at base, glabrous above, apex shortly 3-fid. Fruit 1-2-locular, epicarp densely velutinous tomentose, mesocarp thin, endocarp very thin, hard, bony, glabrous within.
Amazonia present, Guianas present, Southern America: Colombia (Colombia present); Peru (Peru present), W to the foothills of the Andes present
The Guianas and Amazonia, and W to the foothills of the Andes in Peru and Colombia; many collections studied (GU: 3; SU: 5; FG: 6).