Huge buttressed tree. Young parts fugaceous puberulent, ovary persistently so, panicle and parts of perianth exposed in bud persistently greyish ocherous pubescent; parts otherwise glabrous. Twigs c. 2 by 1 mm apically, distinctly compressed, smooth, dark brown. Buds minute, falcate-lanceolate. Stipules to 20 by 3 mm, linear-lanceolate, acute. Leaves 5-12 by 2-5.5 cm, ovate-lanceolate, thinly coriaceous, undulate; base cuneate; apex with to 1.5 cm long slender tapering acumen; nerves 7-9(-13 in young trees) pairs, very slender and hardly elevated on either surface, ascending at 50°-65°, sometimes with a few scattered shorter secondary nerves; tertiary nerves densely scalariform, +-obscure; midrib slender but prominent and acute beneath, ± obscure and depressed above; petiole 22-25 mm long, slender, geniculate. Panicles to 17 cm long, axillary or terminal, compressed, singly or doubly branched; branchlets to 12 cm long; bracts fugaceous. Flower bud to 12 by 4 mm, large; sepals broadly ovate, acute, subequal; stamens (55-)65-72, unequal; filaments compressed, tapering; appendages slender, 1.5-2 times length of the narrowly oblong anthers; ovary ovoid, tapering into somewhat longer columnar style. Fruit pedicel short; 3 longer calyx lobes to 11 by 1.5 cm, spatulate, obtuse, 1.5 mm wide above the 1 by 1 cm ovate saccate thickened base; 2 shorter lobes to 35 by 3 mm, linear, similar at base. Nut to 2 by 1.5 cm, ovoid, apiculate.
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