Tree 12-30 m, 20-50 cm ø. Branchlets initially densely yellowish brown to fulvous-pubescent by erect simple hairs, later glabrescent, whitish grey, densely or sparsely lenticellate; terminal buds ellipsoid, 4-8 by 2 mm, scales linear-acute. Stipules linear-acute or broadly spathulate, 7-10 by 2-3 mm, soon caducous. Leaves thin-coriaceous (10-)15-20(-24) by (3-)5-7(-8) cm (index 2½-3½), broadest at or rarely above the middle; surfaces more or less concolorous, greyish green, sparsely pubescent on both surfaces, densely on the midrib and nerves; base acute to rounded, a-symmetrical, margin recurved, sometimes undulate, top bluntly to sharply 1-2 cm acuminate; midrib prominent on both sides; nerves (14-)16-18(-19) pairs, parallel, at an angle of 45-70°, prominent beneath, arcuating but not anastomosing near the margin; reticulation fine, dense, scalariform, obscure on both surfaces; petiole (2-)3-5(-10) mm, 1-2 mm ø, densely simple-hairy, adaxially flat. Inflorescence male or androgynous, densely yellowish brown pubescent with erect simple hairs; bracts narrowly ovate-acute, 2-3 by 0.7-1 mm, bracteoles 0.7-1 by 0.3-0.5 mm. Male rachis 10-20 cm, 1-2 mm ø; ♂ flowers solitary or in clusters of 3, perianth (5-)6(-7)-lobed, stamens 10-12, filaments 3-4 mm, anthers 0.25-0.30 mm long, pistillode subglobose, 1-1½ mm ø. Androgynous rachis 10-15 cm, 2 mm ø; female flowers solitary, perianth 6-lobed, staminodes 12, rather well-developed but not exceeding the perianth, styles 3, conical, 1½-2 mm. Young cupule depressed-sub globose to discoid, completely covered by imbricate, acroscopical subulate scales. Ripe cupule sessile, ovoid-globose to depressed-ovoid, 1½-2 cm long, 2½-3 cm ø; wall ½-1 mm thick, outside densely tomentose; scales subulate, recurved; covering the fruit completely; dehiscence irregular. Ripe fruit ovoid-to depressed ovoid-globose, 1-1½ cm long, 2-2½ cm ø; wall c. ½-1 mm thick, for the greater part free from the cupule; free part densely pale brown to rufous tomentose; scar flat to convex.
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