Tree 36 m, 80 cm ø; bark pale brown, finely fissured. Branchlets initially densely set with fulvous adpressed stellate hairs, later glabrous, greyish brown, sparsely lenticellate; terminal buds ovoid, 1-1½ by 1 mm, scales ovate-acute. Stipules ovate-acute, 1 by ⅔ mm. Leaves thin-coriaceous, (6-)8-10(-12) by (3-)4(-5) cm (index (2-)2.2-2.5 (-2.7)), broadest at or slightly below the middle; surfaces discolorous, above glabrous, chocolate-brown or greyish green, dull to glossy, beneath sparsely tomentose by pale greyish brown adpressed stellate hairs; base rounded-acute, top bluntly ½-1 cm acuminate; midrib thin, prominent beneath, flat above; nerves 8-10 pairs, thin, prominent beneath, flat to impressed above, subparallel, at an angle of 45-50°, arcuating but not anastomosing towards the margin; reticulation fine, lax, subscalariform, distinct beneath; petiole ⅔-1 cm, 1 mm ø, adaxially flat or furrowed. Male rachis 6-10 cm, 1-1⅔ mm ø, in dense paniculate clusters, densely fulvous tomentose by short stellate hairs; bracts and bracteoles ovate, 1½-2 by 1 mm; ♂ flowers in clusters of 3, perianth 5-7-lobed, recurved, stamens 10-12, filaments 2-2½ nim, anthers 0.35 mm long, pistillode subglobose, 1 mm ø. Ripe cupule solitary, rarely in clusters of 2-3, ⅔-1 cm stalked, cup-shaped 2 cm long, 2-3 cm ø, base gradually narrowed; rim thin, covering ¼-⅓ part of the fruit; scales mainly distinct on the upper half of the cupule, adpressed, set in concentric rows. Ripe fruit conical, 3 cm long, 2 ⅓ cm ø, glabrous, chocolate-brown, top acute, base rotundate, scar conical, 2 cm ø; wall woody, 3 mm thick, for the greater part free from the cupule; cotyledons flat-convex.
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