Tree 20-30 m. Twigs 1-2 mm diameter, early glabrescent, hairs 0.1 mm or less; older twigs coarsely striate; lenticels inconspicuous. Leaves thinly coriaceous, elliptic-oblong or oblong(-lanceolate), (2.5-)4-7.5 by (0.8-)l-2 cm, base attenuate, apex subacute or blunt, sometimes narrowly rounded; upper surface olivaceous or blackish brown, lower surface greyish or reddish brown, glabrous; not papillose; dots absent; midrib above ± flat, lateral nerves 10-15 per side, at c. 45° to the midrib, rather closely set, thin, hardly visible on both sides, lines of interarching and venation invisible; petiole 4-9 by 1 mm; leaf bud 3-6 by 1 mm, hairs 0.1 mm or less. Female inflorescences (from infructescences): between the leaves and below, of the Knema-type: a sessile short wart-like 1 mm long short-shoot, few-flowered, short-pubescent. Male inflorescences, male and female flowers not known. Fruits solitary, (ovoid-)ellipsoid, 2-2.5 by 1.5-1.9 cm, apex sometimes 1 mm beaked, base narrowly or broadly rounded, hairs persistent, dense, dull or bright rusty, scurfy, 0.1 mm or less; pericarp 1-2 mm thick; seeds 1.7 cm, ellipsoid; fruiting pedicel 1.5-3 mm long.