Tree 4-20 m. Leaves (thinly) coriaceous, (elliptic-)oblong to obovate-oblong, (7-)10-30 by (2.5-)4.5-12.5 cm, apex broadly acute(-acuminate) or subobtuse, base attenuate to rounded; Inflorescences: Fruits 1 or 2 per infructescence, globose-ellipsoid or ellipsoid-oblong, somewhat flattened, often ridged, often somewhat saccate at base, 2-3.5 by 2-3 cm;
Asia-Tropical: Borneo present (Brunei present, Kalimantan present, Sabah present, Sarawak present); Sumatera (Sumatera present), Nunukan Is present, Palembang present
Malesia: Sumatra (Palembang) and Borneo (Kalimantan, Nunukan Is., Sarawak, Brunei, Sabah).
1 Knema latifolia is a well-defined species characterized by only 3 (or 4) anthers, one at each angle of the triangular staminal disc. The fruits are somewhat flattened, ridged, and saccate at the base. The leaves are dry dark brown or blackish, glossy above, with distinct coarse venation. 2 Winkler 2390, type of synonym K winkleri, contains some 4-merous flowers, with a 4-angular disc and 4 anthers.