Tree 20-50 m. Twigs 1.5-3 mm diameter, early glabrescent, hairs 0.2 mm; older twigs sometimes cracking; lenticels present but inconspicuous. Leaves (thinly) chartaceous, (elliptic-)oblong or lanceolate, 13-20 by 3-5(-6) cm, apex acute or shortly acute-acuminate, base attenuate, upper surface olivaceous, lower surface pale greyish, glabrescent, hairs ± widely spaced, appressed, of mixed sizes, 0.1 (-0.3) mm, the stouter ones leaving dark points; papillae not obvious but possibly present (causing the whitish surface); dots absent; midrib above slightly raised, lateral nerves 13-16 per side, at 45-60° to the midrib, faint and flat above, lines of interarching and venation indistinct (the latter sometimes distinct towards the margin); petiole 15-30 by 2-3 mm; leaf bud 12-15 by 1.5-3 mm, hairs (0.1-)0.2-0.3 mm. Inflorescences, male and mature female flowers not seen; infructescences of the Knema-typc: peduncle up to 2 mm long, hairs dense, shaggy, yellowish brown 0.5-1 mm. Female flowers (Foreman 262, immature) with dense shaggy hairs 0.5-1 mm, pedicel at least 3 mm long, bracteole caducous. Fruits 1 or 2 per infructescence, broadly ovoid-ellipsoid, 3-3.5 by 2.5-3 cm, apex with 1 mm long style remnant, hairs mealy, 0.1 mm, and with longer sparse hairs towards the base of the fruit; pericarp 6-8 mm thick; seeds not seen; fruiting pedicel 6-10 mm long, slender, subglabrescent or with persistent shaggy hairs (0.5-)l mm, bracteole scar 1-2 mm below the apex.