Tree 10-45 m, 20-50 cm ø; bark smooth to flaky. Branchlets initially densely fulvous, ad-pressed stellate-hairy, later subglabrous, warty lenticellate; terminal buds ovoid, 3 by 2 mm, scales ovate-acute. Leaves thick-coriaceous, (15-)20-22(-26) by (7-)9-10(-13) cm (index 1.8-2.5), broadest at or above the middle; surfaces more or less discolorous, above glabrous, dark chocolate-brown, glossy, underneath densely greyish tomentose by adpressed stellate hairs, subglabres-cent; base abruptly rounded-acute to cuneate, margin undulate, top bluntly acute; midrib and nerves strongly prominent beneath, flat above; nerves (12-) 13-14(-16) pairs, parallel, at an angle of 45-60°, arcuating but not anastomosing towards the margin; reticulation fine, dense, sca-lariform, obscure on both sides; petiole ½-1½ cm, 2 mm ø, rugose and thickened at base, adaxially flat. Inflorescence male or female, densely yellowish brown tomentose by adpressed stellate hairs; bracts and bracteoles ovate to linear, ⅔-1½ by ½-⅔ mm. Male rachis 10-30 cm, 1-2 mm ø; ♂ flowers in clusters of 3, rarely solitary, perianth 6-lobed, stamens 12, filaments 2-3½ mm, anthers 0.3-0.4 mm long, pistillode subglobose, c. 1 mm ø. Female rachis 10-15 cm, 3 mm ø; ♀ flowers solitary, perianth 6-lobed, staminodes 12, rudimentary, styles 3-4, terete, ⅔-1 mm. Infructescence 10-15 cm, ½- ø, densely warty lenticellate, carrying many young cupules. Cupule (not yet fully developed) ½-1 cm stalked, depressed-ovoid-globose, 2-3 cm long, 3-4 cm ø, top flat with a small opening of 1-5 mm ø, base rounded; outside with 5-10 concentric or rarely spiral prominent lamellae which are sometimes folded towards the base, densely yellowish brown tomentose. Fruit depressed-subglobose, 1-1½ cm long, 1½-2 cm ø; wall woody 1-2 mm thick, for the greater part adnate to the cupule; top flat-umbonate, densely yellowish brown tomentose, base rounded.
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