Tree 12-42 m, 20-100 cm ø; buttresses spreading, rounded; bark smooth to deeply fissured or scaly, greyish to reddish brown. Branchlets initially densely fulvous stellate hairy, later subglabrous, greyish to blackish brown, sparsely lenticellate; terminal bud ovoid, 3 by 2 mm, scales narrowly ovate-acute. Stipules linear-acute to subulate, 3-4 by ½-1 mm. Leaves coriaceous, (11-)13-16(-25) by (4-)5-7(-11) cm (index 2-3), broadest at or above the middle; surfaces discolorous, above glabrous, chocolate-brown, glossy, underneath densely greyish to fulvous tomentose by adpressed stellate hairs; base cuneate, decurrent, margin recurved, top bluntly acute to abruptly ½-1 cm acuminate; midrib and nerves prominent beneath, flat above, often pinkish beneath; nerves 11-13 pairs, subparallel, at an angle of c. 45°, arcuating but not anastomosing towards the margin; reticulation dense, fine, subscalariform, obscure; petiole subglabrous, 1-1½ cm, 1½-2½ mm ø, thickened and rugose at the base, shallowly furrowed. Inflorescence male, female, androgynous or mixed, densely yellowish brown to fulvous stellate hairy; bracts and bracteoles narrowly ovate-acute, 0.7-1.5 by 0.3-0.5 mm. Male rachis 10-25 cm, 2 mm ø; ♂ flowers in clusters of 3-7, rarely solitary, perianth 6-8-lobed, recurved, stamens 12-15, filaments 3-5 mm, anthers 0.30 mm long, pistillode globose, 1-1½ mm ø. Female, androgynous or mixed rachis 10-15 cm, 2-3 mm Ø; ♀ flowers solitary, rarely in clusters of 2-3, staminodes rudimentary, styles 3, conical, 0.7-1 mm. Ripe cupule sessile, cup-shaped, 1-1½ cm long, 2-2½ cm ø; rim thin, covering the basal part of the fruit; wall woody, inside densely greyish brown tomentose by adpressed simple hairs, outside densely fulvous stellate hairy, lamellae 6-8, concentric, entire or undulate, sometimes obscure. Ripe fruit depressed ovoid, 0.6-1.5 cm long, 2-3 cm ø, densely silvery grey tomentose by adpressed simple hairs, top abruptly acuminate or depressed-apiculate, base truncate, scar deeply concave, 1½-2 cm ø; wall woody, 2 mm thick, for the greater part free from the cupule; cotyledons flat-convex.
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