Tree 6-20 m. Leaves in 2 or 3 rows, membranous to thin-chartaceous, elliptic-oblong to oblong-(ob)lanceolate, 14-28 by 4.5-8.5 cm, base (long-)attenuate, apex acute-acuminate; Inflorescences behind the leaves, thinly pubescent or late glabrescent, hairs 0.1-0.2 mm long; Fruits 1-4 per infructescence, broadly ovoid-ellipsoid, apex ± narrowly rounded, 2.3-3.5 by 2-2.5 cm, glabrous, drying blackish, finely granulate, sometimes ± tuberculate;
Asia-Tropical: Borneo present; Malaya (Peninsular Malaysia present); Sumatera (Sumatera present)
Malesia: Sumatra, Peninsular Malaysia, Borneo.
Divided into two geographically separated taxa, mainly based on the number of lobes of the perianth. It is noteworthy that this character, which can be used for the division of the genus into sections (see p. 55), occurs here within a group of species with mainly 3-lobed perianths.