Tree 15-25 m, 60 cm ø; bark grey, fissured; stilt-roots and aerial roots occasionally present. Branchlets initially densely fulvous stellate hairy, later glabrous, greyish to blackish brown, with many large lenticels; terminal buds ovoid, 3-5 by 3-4 mm, scales ovate to linear. Stipules linear-acute, 4-8 by 1-1½ mm. Leaves coriaceous, (8-)13-17(-22) by (2½-) 5-6 (-8) cm (index 2-3), broadest about the middle; surfaces more or less discolorous, above glabrous, pale greyish green, glossy, underneath densely greyish to glaucous tomentose by adpressed stellate hairs; base rounded-acute to acute, margin recurved, top bluntly acute to sharply 1-2 cm acuminate; midrib strongly prominent on both sides; nerves 10-12 pairs, prominent beneath, flat above, subparallel, at an angle of 45-60°, arcuating faintly anastomosing near the margin; reticulation subscalariform to irregular, distinct beneath; petiole ⅔-2 cm, 1-2 mm ø, adaxially flat or furrowed. Inflorescence male, female or mixed, densely fulvous stellate hairy; bracts and bracteoles narrowly ovate, 1-4 by ⅔-1 mm. Male rachis 10-20 cm, 1½-2 mm ø; ♂ flowers in clusters of 3, or solitary, filaments 3-4 mm, anthers 0.3-0.35 mm long, pistillode subglobose, 1-1½ mm ø. Female or mixed rachis 10-20 cm, 2 mm ø; ♀ flowers solitary or rarely in clusters of 3, staminodes rudimentary, styles 3, conical, 1½-2 mm. Ripe cupule sessile, saucer-shaped, 3-8 mm long, (2-)2½-3(-3½) cm ø; rim thin, covering the basal part of fruit; wall woody, thin, inside densely greyish brown tomentose by adpressed, simple hairs, outside densely fulvous stellate hairy; scales distinct, imbricate or occasionally in more or less concentric rows. Ripe fruit depressed-subglobose or ovoid, 1½-2 cm long, 2-3 cm ø, glabrous except around the umbo, top acute or rounded and depressed at the centre, base cordate, scar flat, 1½-2½ cm ø; wall woody, 1-2 mm thick, for the greater part free from the cupule.
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