Tree 5-8 m. Twigs (1.5—)2—3 mm diameter, early glabrescent, hairs grey-brown, scalelike, less than 0.1 mm; older twigs corky, dark grey-brown, with longitudinal and transverse cracks, but not much flaking; lenticels inconspicuous. Leaves membranous, (ellip-tic-)oblong, 9-18(-20) by 2.5-6(-7) cm, base attenuate, apex acute-acuminate; upper surface (blackish) brown, lower surface conspicuously pale, greyish, sometimes with a yellow-brown discoloration, early glabrescent, indumentum minute; papillae present, dense, but inconspicuous, unequal in size and irregularly spaced; dots absent; midrib raised above, lateral nerves 13-20 per side, at c. 60° to the midrib, flat and faint above and below, lines of interarching and venation indistinct; petiole short, 5-10 by 1.5-3 mm; leaf bud 5-10 by 1.5-2 mm, hairs grey-brown, less than 0.1 mm. Inflorescences (from female inflorescences and infructescences): short-pubescent, between the leaves, of the Knema-type: sessile, tubercle-like brachyblast, 1-1.5 mm, 1-3-flowered; flowers with dark brown hairs 0.1(-0.2) mm. Male flowers not seen. Female flowers (somewhat immature): pedicel 1.5 by l mm, bracteole broadly rounded, 1 mm, (sub)apical, (sub)-persistent; buds membranous, ovoid(-oblong), 3 by 1.8-2 mm, lobes 0.8 mm; ovary ovoid, (including stigma) 2 by 1.5 mm, hairs less than 0.1 mm. Fruits single (or paired), ellipsoid-oblong, 2.2-2.5 by 1-1.4 cm, apex short-acute, somewhat oblique, base (narrowly) rounded, hairs dense, mealy (scurfy), rust-coloured, less than 0.1 mm; pericarp 1 mm thick; seeds ellipsoid-oblong, 2 cm; fruiting pedicel short, striate, 1.5-2 by 2 mm.