Tree 10-15 m, 20-30 cm ø; bark brown. Branchlets initially densely greyish brown adpressed stellate hairy, later glabrous, dark blackish brown, sparsely to densely lenticellate; terminal buds ovoid, ½-1 by ½ mm, scales ovate. Stipules ovate to deltoid, ½-1 by ½ mm. Leaves thin-coriaceous, (5-)8-12(-16) by (3-)4-6(-7½) cm (index 1½-2½), broadest about the middle; above glabrous, dull to glossy, pale to dark chocolate-brown, underneath densely greyish to glaucous tomentose by adpressed stellate hairs; base rounded and abruptly acute to attenuate-acute, top abruptly, bluntly acuminate to sharply 1-1½ cm caudate-acuminate; midrib and nerves thin, prominent beneath, flat above; nerves (9-)10(-12) pairs, parallel, at an angle of 45-50°, arcuating but not anastomosing towards the margin; reticulation dense, fine, scalariform, distinct beneath; petiole glabrous, blackish coloured, 7-15 mm, 1-1½ mm ø, shallowly furrowed. Inflorescence male, androgynous, or mixed, densely greyish brown stellate hairy; bracts and bracteoles ovate-acute, 0.7-1 by ½ mm. Male rachis 10-15 cm, 1 mm ø, simple and axillary or more commonly much-branched and sub terminal; ♂ flowers in clusters of 3, stamens 10-12, filaments 2-3 mm, anthers 0.35 mm long, pistillode globose, c. 1 mm ø. Androgynous or mixed rachis c. 10 cm, 1-2 mm ø; female flowers solitary, staminodes rudimentary, styles 3, conical, more or less recurved, 0.7-1 mm. Ripe cupule subsessile, cup-shaped,½-1 cm long, 2-2½ cm ø; rim thin, entire, erect, covering ¼-⅓ part of the fruit; wall woody, thin, inside densely fulvous tomentose by adpressed simple hairs, outside densely fulvous to glaucous stellate hairy; lamellae 5-7, thin, concentric or spiral at the base, minutely denticulate. Ripe fruit ovoid, 1.5-2.2 cm long, 1.8-2 cm ø, glabrous, dark chocolate-brown, top gradually rounded acute, base truncate, scar flat, c. 1½ cm ø; wall bony, thinner than 1 mm, for the greater part free from the cupule; cotyledons flat-convex.
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