Twigs grooved, 3.5-4.5 mm thick. Leaves 1-3-jugate; petiole 1-5 cm long, strongly flattened like the rachis; petiolules absent to up to 2 mm long, above broad and flat. Leaflets opposite to alternate, ovate to elliptic (to obovate), 8-15 by 2.5-5 cm, index 2.5-4, glaucous below, usually with scattered hairs on the midrib; base symmetrical to slightly oblique, acute; apex narrowly rounded; midrib above angular, nerves 0.5-1.5 cm apart, slightly curved, all (or except the lower ones) looped and joined near the margin, above hardly, beneath distinctly prominent, intersecondary nerves often well developed, veinlets densely reticulate, indistinct. Inflorescences 10-15 cm long, fairly densely hairy; branch 2-6 cm long; pedicels c. 3 mm long. Sepals c. 1 mm high. Petals c. 0.5 mm long, scale densely hairy. Stamens: filaments in male flowers c. 2 mm long; anthers c. 1.5 mm long, dehiscence latrorse. Fruits c. 0.75 by 1 cm, outside sparsely tomentellous, inside glabrous; wall pergamentaceous.