Tree, 7-37 m, 20-100 cm ø; buttresses up to 1.2 m tall; bark smooth, lenticellate, pale grey, sometimes with horizontal cracks; inner bark c. 2 cm thick, pale brown, brittle. Branchlets glabrous, densely lenticellate, greyish brown; terminal buds ovoid-globose, 2-3 by 2-2½ mm, tomentose by stellate or simple hairs, glabrescent. Stipules linear-acute, densely stiff-pubescent, 3-5 by 1-1½ mm. Leaves coriaceous, elliptic-or lanceolate-oblong, 8-22 by 3-7 cm; beneath with dense, silvery, stellate tomentum, above glossy, glabrous; base attenuate-rounded or attenuate-acute, slightly asymmetrical, top ½-I cm acuminate, entire and slightly undulate; midrib and nerves strongly prominent beneath, impressed above, glabrous; nerves 10-17 pairs at an angle of 60-75°, parallel, arcuating near the margin; reticulation fine, obscure; petiole 1½-3 cm by 1-1½ mm, adaxially flat, glabrous. Male rachis 5-10 cm, in a paniculate cluster of 3 or 4 on a lateral new shoot; bracts ovate-acute, densely tomentose by simple hairs, 1-1½ by ½ cm; ♂ flowers: perianth lobes connate at base; stamens normally 6, filaments hairy at base. Female rachis many-flowered, slender, 2-3 cm, densely tomentose by simple hairs; bracts linear-acute, ½-1 mm; ♀ perianth densely tomentose outside; staminodes absent; styles hairy at base, free and slightly recurved. Young cupule turbinate or ovoid-conical, flattened or rounded at the top, attenuate at base; lamellae 8-10, thin, dentate, with dense brownish tomentum, covering the fruit except for the umbo. Mature cupule cup-shaped, obconical or obovoid, 1½-2 cm high, 1-1½ cm ø, densely pubescent; lamellae 8-10, free and denticulate at the rim. Fruit elongated conical or ovoid-globose, attenuate towards the acute top and rounded base, 3-3½ by 1½ cm.
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