Tree 10-15 m, 30-40 cm ø. Branchlets initially densely rufous-tomentose by short stellate hairs, later subglabrescent, sturdy, sparsely lenticellate; terminal buds ovoid, 3-5 by 2-3 mm, scales ovate-acute. Stipules ovate-acute, ½-1 by ⅓-½ cm, soon caducous. Leaves thick-coriaceous, (13-)17-20(-22) by (5-)6-8(-10) cm (index 2-2.7), broadest at or below the middle; surfaces more or less concolorous, above subglabrous, dull to glossy, beneath densely yellowish brown, tomentose by adpressed, stellate hairs; base acute to cuneate, rarely rounded, margin recurved, top abruptly acute to 1 cm acuminate, tip sharp, oblique; midrib strongly prominent beneath, slightly so above; nerves (13-) 16-20(-22) pairs, strongly prominent beneath, impressed above, parallel at an angle of 50-70°, arcuating and anastomosing near the margin; reticulation fine, lax, subscalariform, distinct beneath; petiole 2-3 cm, 1½-3 mm ø, adaxially flat. Inflorescence male or female, densely velvety rufous stellate hairy; bracts linear-acute, 1½-3½ by 0.7-1 mm, bracteoles broadly ovate-acute, 0.7 by 1 mm. Male rachis 10-15 cm, 1½-2 mm ø; ♂ flowers in clusters of 3-7, perianth deeply 6-lobed, stamens 12, filaments 1½-2 mm, anthers 0.35 mm long, pistillode subglobose, 1-1½ mm ø. Female rachis 5-10 cm, 3 mm ø; ♀ flowers solitary, perianth 6-lobed, staminodes 12, rudimentary, styles 3, conical, 1-1½ mm, recurved. Young cupule 1 cm stalked, obovoid-ellipsoid, outside with 6-8 more or less concentric lamellae, base attenuate-acute, top rotundate-umbonate with an opening of 3-5 mm ø; densely rufous tomentose. Ripe cupule subsessile, 4-5 cm long, 3-3½ cm ø; wall 3-5 mm thick, covering the fruit almost completely except for an opening of 2-3 mm ø; base rounded-acute, top rotundate-umbonate. Ripe fruit ovoid-globose, 3½-4 cm long, 2½-3½ cm ø; wall woody, c. ½ cm thick, for the greater part adnate to the cupule, base rounded-attenuate, top (free part) rotundate-umbonate, 2-3 cm ø.
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