Tree 17 m. Twigs 2-4 mm diameter, faintly angular, early glabrescent, hairs scattered, greyish, less than 0.1 mm; older twigs with scattered conspicuous lenticels. Leaves (thinly) chartaceous, (ellipsoid-)oblong, sometimes narrowed in the upper half, 10-15 by 2.5-6 cm, base cuneate, apex blunt to acute-acuminate; upper surface glossy, olivaceous or bright brown, lower surface grey-brown, glabrous; not or indistinctly papillose; dots absent; midrib flat or slightly raised above, lateral nerves (10-) 12-15 per side, at 45 (-60)° to the midrib, flat and faint above, lines of interarching indistinct, venation coarsely reticulate, not very distinct; petiole comparatively long, bright reddish or yellowish brown (the same colour as the twigs), 20-35 by 1.5-2 mm; leaf bud 10 by 1.5-2 mm, hairs inconspicuous, appressed, greyish or brown, 0.1 mm or less. Inflorescences (known only from infructescences) subsessile, peduncle 1-2 mm long, one-fruited, with a few scars of abortive flowers. Male and female flowers not seen. Fruits subglobose or broadly (ovoid-)ellipsoid, 5-6 by 4-4.5 cm, hairs dense, dark rusty, 0.1(-0.2) mm; pericarp 10 mm thick; seeds ellipsoid, 3.5-4 cm; fruiting pedicel short (see note).