Medium-sized buttressed tree with flying buttresses, bark becoming thickly flaky. Leaf bud, young twig and petiole caducous grey-brown pubescent. Twig c. 1 mm ø, terete, smooth; stipule scars small, obscure. Bud to 3 by 2 mm, ellipsoid, obtuse. Stipule to 4 by 2 mm, lorate, elliptic, caducous. Leaves 5-15 by 2-5 cm, elliptic to ovate, subcoriaceous, ± distinctly silvery lepidote beneath; base cuneate, equal, acumen to 6 mm long; nerves 10-12 pairs, slender but distinctly elevated and even prominent beneath, often with a few axillary pore-like pubescent domatia; with stout secondaries; midrib slender, slightly raised on both surfaces; petiole 7-9 mm long, slender. Panicle to 3 cm long, glabrous, terminal or axillary, terete; singly branched, branchlets bearing to 4 flowers; bracteoles c. 1 mm long, small, linear, glabrous, fugaceous. Flower bud to 5 by 4 mm, fusiform; sepals narrowly ovate, acute to subacuminate, subequal, glabrous, usually patent; petals lanceolate, densely pubescent on parts exposed in bud. Stamens 15-18, in 3 unequal verticils; filaments compressed at base, tapering and filiform below the subglobose anthers; appendage to connective slender, 2-3 times length of anther, minutely papillose towards base. Ovary ovoid, glabrous. Style c. 1.5 times length of ovary, sometimes slightly swollen in the villous basal 1/3. Fruit glabrous; pedicel to 2 mm long; 2 longer calyx lobes to 6.5 by 12 cm, spatulate, obtuse, c. 4 mm broad above the to 5 by 5 mm ovate thickened saccate base; 3 shorter lobes to 1.5 cm long, lanceolate, acute, similar at base. Nut to 7 by 5 mm, ovoid, glabrous, apiculate.
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