Tree 15-36 m, 30-100 cm ø; buttresses up to 1.2 m tall, 1½ m out, 10 cm thick; bark dark brown, scaly. Branchlets initially densely fulvous to rufous stellate hairy, later glabrous, sturdy, greyish to blackish brown, sparsely lenticellate, the lenticels large; terminal buds ellipsoid, 5-10 by 2-3 mm, scales linear. Stipules linear-acute, 6-10 by 1-3 mm. Leaves thick-coriaceous, rigid, (15-) 20-25(-30) by (6-)8-10(-15) cm (index 1.7-3), broadest about the middle; above glabrous, dull to glossy, pale greyish green, underneath densely greyish brown to glaucous tomentose by adpressed, minute stellate hairs; base acute to cuneate, rarely rounded, margin recurved, top bluntly or sharply acute to 1½-2½ cm acuminate; midrib strongly prominent on both sides; nerves (10-)12-15(-18) pairs, prominent beneath, impressed above, parallel, at an angle of c. 60°, arcuating but not anastomosing towards the margin; reticulation scalariform, distinct beneath; petiole 1-3 cm, 2-3 mm ø, glabrous, terete or adaxially flat. Inflorescence male or androgynous, densely fulvous stellate hairy; bracts linear acute, 6-8 by 1½-2 mm, bracteoles broadly ovate, 2-3 by 1½-2 mm. Male rachis 10-30 cm, 3-4 mm ø, much-branched; ♂ flowers in clusters of 3-7 (or more), filaments 3-4 mm, anthers 0.35 mm long, pistillode subglo-bose, 1-2 mm ø. Androgynous rachis 10-15 cm, 3-4 mm ø; female flowers in clusters of 3-7, very rarely solitary, staminodes rudimentary, styles 3-5, conical, 1½-2 mm, recurved. Fruiting rachis sturdy, densely warty lenticellate. Ripe cupule subsessile, cup-shaped, 1-1.2 cm long, 2-3 cm ø; rim thick, covering the basal part of the fruit; wall woody, rather thick, inside densely yellowish brown, silvery tomentose by adpressed simple hairs, outside densely fulvous adpressed stellate hairy; scales obscure, set in 5-6 more or less concentric rows. Ripe fruit depressed ovoid-globose, 2-2½ cm long, 3-3½ cm ø, densely yellowish brown tomentose by adpressed, simple hairs, top rotundate, depressed-umbonate at the centre, base rotundate, scar deeply concave, up to 2 cm ø; wall woody, 1-2 mm thick, for the greater part free from the cupule.
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