Medium-sized to large flaky-barked buttressed tree. Young twig, leaf bud, stipule, panicle and petiole very shortly sparsely pale brown pubescent. Twig to 2 mm ø apically, much branched, smooth, becoming glabrous. Bud to 1.5 mm long, ovoid. Stipule to 2.5 mm long, linear, fugaceous. Leaves 8-13 by 4.5-8.5 cm, broadly ovate, coriaceous, greyish lepidote below in mature tree; base obtuse; acumen to 1 cm long; margin frequently slightly revolute; nerves 7-10 pairs, distinct, hardly raised beneath, curved, at 50°-60°, usually with large glabrous swollen pore-like domatia; tertiary nerves slender but distinct, scalariform with slight reticulations, diagonal to nerves; midrib broad, slightly raised on both surfaces; petiole 1-1.5 cm long. Panicle to 7 cm long, terminal or axillary, terete or angular; singly branched, branchlets to 1.5 cm long, bearing to 5 secund pale yellow flowers; bracteoles to 3 mm long, hastate, subacute. Flower bud to 4 by 2.5 mm, broadly ellipsoid, obtuse. Calyx densely pubescent outside, glabrous within; 2 outer lobes hastate, subacute; 3 inner lobes broadly ovate, thinner, tapering at base. Petals linear, puberulent on parts exposed in bud. Stamens 15, in 3 subequal whorls; filaments broad at base, tapering and filiform below anthers; anthers subglobose, tapering apically; appendage to connective c. 2 times length of anther, slender, scabrous towards apex. Ovary and stylopodium subcy-lindrical, glabrescent; style short, glabrous. Fruit calyx sparsely pale brown pubescent or glabrescent; 2 longer lobes to 8 by 1.5 cm, oblong, thinly coriaceous, broad, obtuse, tapering to the to 2.5 by 3 mm ovate saccate thickened base; 3 shorter lobes to 10 mm long, acute, similar at base. Nut to 15 by 8 mm, ovoid, glabrous; style remnant, short, acute.
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