Tall, stoutly buttressed tree. All vegetative parts glabrous. Twig to 1.5 mm ø apically, slender, smooth, terete; stipule scars short, obscure. Bud to 1.5 mm long, small, globose. Stipule caducous, unknown. Leaves 9-16 by 5.8-8 cm, ovate; base broadly cuneate to obtuse, decurrent to 2 mm down petiole (peltate in saplings); acumen to 1.5 cm long, narrow; margin undulate; nerves 9-11 pairs, curved, slightly raised beneath, depressed above, at 45°-65°; tertiary nerves scalariform, sinuate, slender; midrib terete, slightly elevated, beneath, +-applanate above; petiole 1.3-2 cm long. Panicle to 11 cm long, terminal or to 3-axillary, terete or somewhat compressed, lax, shortly persistently greyish puberulent; regularly alternately doubly branched, branches to 5 cm long, branchlets to 1 cm long, short, bearing to 6 close secund flowers; bracts unknown; bracteoles to 1 mm long, linear, pubescent, fugaceous. Flower bud to 1.5 mm long, globose. Calyx shortly pubescent outside, glabrous within; lobes subequal, imbricate, acute; 3 outer lobes ovate, 2 inner lobes deltoid. Petals densely pubescent outside, shortly sparsely pubescent within, oblong, obtuse, strongly contorted. Stamens 15, in 3 verticils, double alternating with single stamens; filaments broad, compressed, hardly tapering, glabrous; anthers oblong-globose, pollen sacs subequal or the outer somewhat larger; appendage to connective short, stout, glabrous, not exceeding the anther apex. Ovary and stylopodium ovoid-conical, glabrous at base, puberulent near apex, crowned abruptly by a short glabrous style; stigma minute. Fruit calyx glabrescent to puberulent at base; lobes to 5.5 by 1.5 cm, subequal, spatulate, obtuse, to 5 mm broad above the slightly broader saccate base, rotate when ripe, narrowly imbricate at base. Nut to 9 by 10 mm, ovoid, broader than long, shortly pale grey-brown pubescent, on an up to 8 mm ø broad shallow receptacle; style remnant to 4 mm long, tapering.
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