Very tall buttressed tree. Vegetative parts glabrous. Twigs c. 1 mm ø apically, terete, slender, much branched, minutely rugulose; stipule scars short, horizontal, obscure. Bud c. 1 by 1 mm, small, ovoid, acute, glabrous. Stipule to 5 by 2 mm, lanceolate, acute, fugaceous. Leaves 3.5-8 by 2-4 cm, small, ovate, somewhat chartaceous and undulate; base broadly cuneate, usually with prominent pore-like glabrous domatia on either side of the base of the midrib; acumen to 1 cm long, prominent; nerves 9-11 pairs, slender, hardly raised beneath, arched, at 55°-65°, with distinct secondary nerves; tertiary nerves reticulate; midrib applanate above, prominent beneath, drying dark red or black; petiole 8-10 mm long, slender, geniculate. Panicle to 5 cm long, terminal or axillary, terete, densely persistently pale buff pubescent; singly branched, branchlets bearing to 9 distichous flowers; bracteoles to 2 by 2 mm, elliptic, obtuse, puberulent outside, glabrous within, caducous. Bud to 5 by 2 mm, small, lanceolate. Sepals pubescent on parts exposed in bud, ovate, acute; the inner 2 relatively broader and thinner at the margins than the outer 3. Petals pale yellow, narrowly lanceolate, densely pubescent on parts exposed in bud, strongly contorted. Stamens 15, in 3 unequal verticils; filaments compressed at base, tapering and filiform below the ellipsoid anthers; appendage to connective slightly shorter than anther, glabrous. Ovary ovoid, pubescent, surmounted by a columnar tapering style equal in length and pubescent in the basal 1/2. Fruit pedicel and base of calyx sparsely buff pubescent, calyx elsewhere glabrescent. Pedicel c. 3 mm long. 3 longer calyx lobes to 7 by 1.5 cm, spatulate, obtuse, c. 4 mm broad above the to 5 by 5 mm deltoid thickened saccate tuberculate base; 2 shorter lobes to 4 by 0.7 cm, spatulate, acute, similar at base. Nut to 2.7 by 1.2 cm, ellipsoid, shortly apiculate, densely shortly evenly buff pubescent.
Can be grown by seedlings. Seeds needs soaking.
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