Shrub or small tree 3-10 m high. Twigs ± glabrous. Leaves imparipinnate with (1-) 2-3 pairs of lateral leaflets; total length up to 18 cm including petiole of 1.5-3.5 cm; rachis segments 1.2-3 cm long, petiole and rachis segments subterete, sometimes densely puberulent; leaflets subcoriaceous, glabrous and shiny on both surfaces, drying dark brown above and reddish brown beneath, often conduplicate; lateral leaflets elliptic to broadly elliptic, 5-8.5 by 2-3.7 cm, the blade narrowing unequally at the base into a petiolule c. 0.5 cm long, apex acuminate; apical leaflet elliptic to broadly elliptic, 7-9.5 by 2.5-3.5 cm, not markedly larger than the largest laterals, base attenuate to form a petiolule c. 1 cm long, apex acuminate; margin sometimes minutely revolute, crenate, 8-10 notches on each side of a leaflet; midrib slightly depressed above, prominent beneath, secondary and tertiary venation slightly raised on both surfaces. Stipules suborbicular, up to 0.7 by 0.9 cm. Inflorescence usually 4 dyads or tetrads, sometimes a few successive nodes flowering simultaneously; peduncles 0.5-1 cm long, shortly puberulous; axes of racemes up to 12 cm long, puberulous. Flowers unisexual? (only female ones seen); female flowers: pedicel 3 mm long, puberulous; calyx lobes 0.6 by 0.5 mm, glabrous; corolla oblong, 1.1 by 0.8 mm; disc lobes 0.3 mm long, broadly oblong; filaments 1 mm long; ovary 1.1 mm long, densely pubescent; styles 1.4 mm long, straight; stigmas capitate, papillose. Capsules with valves 2.5 by 1.5 mm at dehiscence; exocarp densely pubescent; calyx lobes caducous. Seeds c. 0.8 mm long, comose at both ends, the hairs to 1.5-2 mm long.
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