Tree 15-20 m, 25-80 cm ø. Branchlets initially sparsely tomentose by fulvous, adpressed stellate hairs, later glabrous, dark greyish brown, sparsely lenticellate; terminal buds ovoid, 2 by 2 mm, scales ovate. Leaves thin-chartaceous, (6-)9-11(-13) by (2½-)4-5(-6) cm (index (2-)2¼(-2⅓)), broadest about the middle; surfaces discolorous, above glabrous, dull, dark greyish brown, beneath pale chocolate-brown, densely tomentose by adpressed stellate hairs, subglabrescent; base rounded-acute, top acute or more commonly bluntly ½-1 cm acuminate; midrib and nerves thin on both sides; nerves (8-)9-10(-13) pairs, obscure, subparallel, at an angle of 45-70°, arcuating but not anastomosing towards the margin; reticulation fine, areolate, obscure; petiole 7-12 mm, 1-1½ mm ø, glabrous, adaxially flat. Inflorescence male, androgynous or mixed, sparsely greyish tomentose by adpressed stellate hairs; bracts and bracteoles ovate-acute, ⅔-1 by ½ mm. Male rachis 8-20 cm, 1½ mm ø, simple and axillary or much-branched and subterminal;♂ flowers in clusters of 3, filaments 2-2½ mm, anthers 0.25-0.30 mm long, pistillode globose, ⅔-1 mm ø. Androgynous or mixed rachis 10-15 cm, 2 mm ø; female flowers solitary, staminodes rudimentary, styles 3, conical, 1-1½ mm long, more or less connate. Ripe cupule sessile, saucer-shaped, 5-6 mm long, 2-2½ cm ø; rim thin, covering the basal part of the fruit; wall woody, thin, inside densely fulvous tomentose by adpressed simple hairs, outside densely glaucous stellate hairy; lamellae 4-5, thin, spiral. Ripe fruit ovoid, 2.3 cm long, 2-2.2 cm ø, densely greyish tomentose by adpressed simple hairs, top rounded-acute, base rotundate, scar deeply concave, c. 1 cm ø; wall woody, c. 1 mm thick, for the greater part free from the cupule; cotyledons flat-convex.
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