Tree 10-45 m, up to 50 cm ø; bark smooth to fissured, greyish brown. Branchletsinitially densely fulvous to rufous adpressed stellate-hairy, later glabrous, dark, greyish brown, sparsely to densely lenticellate; terminal buds ovoid-ellipsoid, 2-5 by 2-3 mm, scales narrowly to broadly ovate-acute. Stipules narrowly ovate-acute, c. 5 by 2 mm, soon caducous. Leaves thin-coriaceous, 15-22 by 6-8 cm (index 2-3), broadest at or below the middle; surfaces discolorous, above glabrous, greyish to dark brown, dull to glossy, underneath densely glaucous tomentose with adpressed, stellate hairs; base rounded or acute, top abruptly, bluntly 1-1½ cm acuminate; midrib and nerves prominent beneath, almost so above; nerves (10-)12-16(-18) pairs, subparal-lel, at an angle of 50-70°, arcuating but not anastomosing towards the margin; reticulation dense, fine, subscalariform, distinct beneath; petiole 1-1.7 cm, 1-2 mm ø, shallowly furrowed. Inflorescence male, female or androgynous, densely fulvous stellate hairy; bracts and bracteoles narrowly ovate-acute, 0.7-1½ by ½-0.7 mm. Male rachis 10-15 cm, 2 mm ø; ♂ flowers in clusters of 3, filaments 3-4 mm, anthers 0.3-0.35 mm long, pistillode subglobose, 1-1½ mm ø. Female or androgynous rachis 10-25 cm, 2 mm ø; ♀ flowers solitary or in clusters of 2-3, staminodes rudimentary, styles 3-5, conical, 1½-2 mm, connate. Ripe cupule sessile to ½ cm stalked, deeply cup-shaped to almost completely covering the fruit, ⅔-1½ cm long, 2-3 cm ø, wall thin, outside densely fulvous-tomentose, with 5-8 thin, more or less concentric, lamellae. Ripe fruit depressed ovoid-globose, 1-1½ cm long, 2-2½ cm ø, top rounded-acute, base rounded, scar flat-concave; wall woody, 1-2 mm thick, densely greyish brown to silvery tomentose by simple adpressed hairs, for the greater part free from the cupule.
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