Tree 20-40 m, up to 100 cm ø. Branchlets initially densely rufous tomentose by simple and stellate hairs, later subglabrescent, greyish brown, finely fissured, sparsely to densely warty lenticel-late; terminal buds ovoid-ellipsoid, 3-4 by 1½-2½ mm, scales ovate to linear-acute. Stipules linear-acute, 4-5 by 0.7-1 mm, with longitudinal ribs, soon caducous. Leaves thin-coriaceous, (10-)13-15(-20) by (4-)5-6(-9) cm (index 2½-3), broadest at or slightly above the middle; surfaces more or less concolorous, above glabrous, dull, underneath densely greyish tomentose by adpressed stellate hairs; base rounded to acute, top bluntly acute to sharply ½-1 cm acuminate; midrib and nerves thin, impressed above; nerves 9-11 pairs, subparallel, at an angle of 45-60°, arcuating but not anastomosing towards the margin; reticulation fine, dense, subscalariform, obscure on both sides; petiole ½-1½ cm, c. 1 mm ø, terete or adaxially flat. Inflorescence male, androgynous or mixed, densely fulvous tomentose by short stellate hairs; bracts and bracteoles ovate-acute, ⅔-1 by ⅔ mm. Male rachis 10-15 cm, 1-2 mm ø; ♂ flowers in clusters of 3-7, perianth 6-lobed, stamens 12, filaments 3-4 mm, anthers 0.3-0.5 mm long, pistillode subglobose, 1½-2 mm ø. Androgynous or mixed rachis 10-15 cm, 1-2 mm ø; female flowers solitary, perianth 6-lobed, staminodes 12, rather well-developed but not exceeding the perianth, styles 3-4, conical, 1-1½ mm, recurved. Ripe cupule ½-2 cm stalked, obovoid to pear-shaped, 1½-2 cm long, 3-4 cm ø, wall 2-3 mm thick, densely pale grey stellate-hairy, lower part smooth or ridged, attenuate-rounded, top truncate set with imbricate scales or woody tubercles; covering the greater part of the fruit except for an opening of c. 1 cm ø. Ripe fruit sub-hemispherical, 2 cm long, 3-3½ cm ø; wall 2-3 mm thick, for the greater part adnate to the cupule, top flat-convex.
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