Tree, up to 17 m by 20 cm, sometimes shrub or climber. Twigs thinly pubescent, glabrescent, sparsely lenticellate. Leaves 1-2-jugate (at the base of the inflorescence sometimes unifoliolate); petiolules 0.25-0.5 cm long. Leaflets oblong, slightly oblique, 11-20 by 4-10 cm (terminal ones slightly ovate, equilateral, up to 26 by 12 cm), thin-charta-ceous, glabrous above, more or less densely minutely ferruginous-pilose mainly on the midrib and nerves beneath; base rounded to acute, slightly cordate and subpeltate; apex blunt; nerves 8-15 pairs, straight to slightly curved, strongly looped close to the margin, but not joined; veins and reticulations inconspicuous above, veins mainly transverse to the nerves, not dense. Inflorescences c. 15-35 cm long, rather broad, densely minutely ferruginous-pubescent, many-flowered. Bracts minute. Sepals ovate, acute, 2.5 by 1.5 mm, not keeled, on both sides thinly pilose, brown. Petals linear, blunt, 6.5 mm long, on both sides with a few glandular hairs, densely punctate. Stamens all fertile, for 2/3 mm connate, all filaments capitate-glandular pubescent. Fruits obovate, 5 by 3.5 by 2 cm, with a 1-1.5 cm long, slender stipe; beak acute, small, at about 4/5 of the height; pericarp glabrous, shining, slightly wrinkled, woody, c. 2 mm thick, inside densely fulvous-tomentose.
In forests at low altitude, up to 300 m. Fl. Oct.-Jan., May, fr. May-July.
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