Tree 5-30 m, 20-90 cm ø. Branchlets initially densely fulvous to rufous stellate hairy, later glabrous, greyish black, sparsely to densely lenticellate; terminal buds ovoid, 1-1½ by 0.7-1 mm, scales ovate. Stipules ovate to linear, 1-3 by ½ mm. Leaves thick-coriaceous, (6-)9-12(-17) by (4-)5-7 (-10) cm (index (1.3-)1.6-2(-2.2)), broadest at or below the middle; surfaces more or less discolor-ous, above glabrous, dull to glossy, pale to dark chocolate-brown, underneath densely glaucous tomentose by adpressed stellate hairs; base rounded-acute to cuneate, margin recurved, occasionally undulate, top bluntly acute to bluntly or sharply 1-1½ cm acuminate; midrib and nerves strongly prominent beneath, flat above; nerves 8-11 pairs, subparallel, at an angle of 45-50°, arcuating but not anastomosing towards the margin; reticulation fine, lax, subscalariform, distinct beneath; petiole glabrous, 7-15 mm, 1-3 mm ø, adaxially flat. Inflorescence male or androgynous, densely yellowish to greyish brown stellate hairy; bract and bracteoles ovate to linear, 1-2 by ½ mm. Male rachis 10-15 cm, 1-2 mm ø, much-branched, axillary or subterminal; ♂ flowers in clusters of 3 or solitary, perianth 5-6-lobed, stamens 10-12, filaments 2-3 mm, anthers 0.35 mm long, pistillode subglobose, c. 1 mm ø. Androgynous rachis c. 10 cm, 1-1½ mm ø; female flowers solitary or rarely in clusters of 2-3, perianth 5-6-lobed, staminodes 10-12, rudimentary, styles 3, terete, 1½-2 mm, recurved. Ripe cupule subsessile, cup-shaped, ⅔-1 cm long, 2½-3½ cm ø; rim thin, covering c. ¼ part of the fruit; wall woody, thin, inside densely pale yellowish brown tomentose by adpressed simple hairs, outside densely greyish to fulvous stellate hairy; lamellae 7-10, obscure or distinct, concentric, minutely denticulate. Ripe fruit subhemispherical, 1.5-2.2 cm long, 2.5-3.2 cm ø, glabrous except near the umbo, pale yellowish brown to dark chocolate-brown, top rounded-umbonate, base rotundate, scar deeply concave to flat, 1½-2 cm ø; wall woody, c. 2 mm thick, for the greater part free from the cupule.
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