Tree, c. 30 m, c. 60 cm ø, bole irregular; buttresses up to 1 m tall; bark rough, peeling off profusely into rectangular pieces, rusty; inner bark c. 1½ cm thick, ridged. Branchlets initially densely brownish pubescent, later glabrous, lenti-cellate; terminal buds ovoid-ellipsoid, scales linear-acute. Stipules linear-acute, 5-10 mm, densely pubescent. Leaves thin-chartaceous, linear-lanceolate or elliptic-lanceolate, 3-10 by 1-3 cm; base attenuate-acute, sometimes asymmetrical, top sharply acute or ½-1 cm acuminate; margin remotely serrulate in the apical half; beneath densely pubescent; glabrescent, above glabrous except the midrib and nerves; midrib and nerves more or less prominent on both surfaces; nerves c. 5-10 pairs, straight, parallel, arcuating towards the margin, at an angle of 45-60°; reticulation obscure on both surfaces; petiole ½-1½ cm, adaxially flat. Male flowers: perianth densely sericeous outside, filament c. 2 mm, anther ½-1 mm through, pistil-lode reduced to a tuft of stiff, simple hairs. Young infructescence: rachis 1-2 cm by 1-2 mm, densely woolly pubescent, glabrescent, carrying 2-5 young fruits; bracts ovate-acute, 1-1½ by ½-1 mm, densely tomentose; perianth (in young fruit): styles recurved, c. 2 mm. Young cupule ovoid-globose or obconical, lamellae c. 6, densely tomentose. Ripe cupule cup-shaped, base attenuate-rounded, 1½-2 cm high, 1-2 cm ø, covering ⅓-½ part of the fruit; lamellae 10-12, thick, densely sericeous. Ripe fruit cylindrical-globose, 2-3 by 1⅓-2 cm; top depressed-umbonate, base convex.
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