Tree, 15-21 m, with small buttresses. Branchlets 2-3 mm thick, puberulous, glabrescent; pith without or with one vascular strand; terminal bud rather long and narrow. Leaves 1-4-jugate. Petioles slender, 2-6.5 cm, flattened at the base, puberulous and glabrescent, pith with one to some vascular strands. Leaflets elliptic to ovate, 4.5-12.5 by 2½-6½ cm, thin, upper surface slightly pubescent on the base of the midrib, undersurface puberulous on nerves and veins; base usually very oblique, one half rounded to broadly cuneate, the other half cuneate; apex gradually to sub-abruptly acuminate, acumen short and blunt; nerves 7-11 pairs (angle 45-80°), curved near the margin, apical ones arching. Panicles (female unknown) axillary, 3.5-12 cm, puberulent to glabrous; peduncle 0-2½ cm, branches few, spreading and lax, up to 5 cm. Flowers (female unknown) 2 mm, pubescent. Calyx minute. Stamens adnate to the disk. Disk with undulate rim. Rudiment of the pistil small. Infructescences 3-5 cm long, puberulous, peduncle 0-1½ cm. Fruits ellipsoid, c. 1.5 by 1 cm, style-rudiment nearly apical; pericarp coarsely rugose when dry; wall of the pyrene rather thick.
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