Tree 18-30 m, 30-60 cm ø; buttresses 1-4 m tall, ⅓-½ m out; bark grey. Branchlets initially densely fulvous tomentose by adpressed, stellate hairs, later subglabrous, greyish brown, sparsely lenticellate; terminal buds ovoid-globose, 2-4 by 1-2 mm, scales narrowly ovate to linear. Stipules linear, 3-6 by ½-1 mm. Leaves thick-coriaceous, (12-)16-22(-30) by (4-)6-8(-10) cm (index (1.6-)3-3½(-4)), broadest about the middle; surfaces more or less discolorous, above glabrous, dull, chocolate-brown, beneath densely greyish tomentose by adpressed, stellate hairs; base acute to cuneate, rarely rounded, top acute to 1-3 cm acuminate; midrib prominent beneath, slightly so above; nerves (8-)10-11(-13) pairs, prominent beneath, obscure above, parallel at an angle of 45-60° with the midrib, arcuating but not anastomosing towards the margin; reticulation lax, subscalariform, obscure on both sides; petiole 1-2 cm, 2-3½ mm ø, glabrous, adaxially flat. Inflorescence male, androgynous or mixed, densely brownish stellate-hairy; bracts linear acute, 1-2 by ⅓ mm, bracteoles narrowly ovate, ½-⅔ by ⅓-½ mm. Male rachis 10-20 cm, 2 mm ø; ♂ flowers in clusters of 3, perianth 6-lobed, stamens 12, filaments 4-5 mm, anthers 0.3-0.4 mm long, pistillode subglobose, 1-1½ mm ø. Androgynous or mixed rachis 15-35 cm, 2-3 mm ø; female flowers solitary, rarely in clusters of 2-3, perianth 6-lobed, staminodes 12, rudimentary, styles 3-4, conical, 1½-2 mm, recurved. Ripe cupule sub-sessile, depressed ovoid-globose, 2-2½ cm long, 2¾-3 cm ø; wall thinner than ½ mm, covering the fruit completely, outside at the basal half with 3-4 thin, concentric lamellae, at the upper half set with obscure adpressed scales to almost smooth densely fulvous stellate-hairy; dehiscence irregular. Ripe fruit depressed ovoid-globose, c. 2 cm long, 2½-3 cm ø; wall woody, 1-2 mm thick, for the greater part free from the cupule, densely fulvous tomentose; base rotundate, scar concave, top abruptly acute.
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