Liana or scandent shrub, up to 35 m by 15-20 cm, possibly sometimes a small tree. Branches densely ferruginous-tomentose by dendroid hairs when young, glabrescent, lenticellate. Leaves (1-)4-8-jugate, petiole, rhachis, and petiolules densely tomentose when young; petiolules 0.5 cm. Leaflets lanceolate, 3-16 by 1.5-5 cm (gradually increasing in size from the basal pair to the terminal leaflet), thin-chartaceous, when young tomentose on midrib and nerves beneath, soon glabrescent; base rounded to cuneate, becoming less oblique and more acute from the basal pair to the terminal leaflet, sometimes subpeltate; apex tapering long and slender acuminate; nerves 6-10 pairs, oblique, curved, rather indistinctly looped and joined near the margin, inconspicuous above, veins fine, dense, transverse to the midrib. Inflorescences up to c. 20 cm long, widely branched, densely ferruginous-tomentose, flowers mainly crowded towards the ends of the branches. Bracts subulate, circinnate and c. 1 cm long to deltoid and minute. Sepals oblong-ovate, acute, 3.5 by 1 mm, complicate, outside densely pubescent, inside glabrous. Petals linear-spathulate, 6 mm long, glabrous, punctate. Stamens for 0.5 mm connate, all fertile, filaments with a few scattered glandular hairs. Fruits oblique-ellipsoid, not compressed, 3-3¾ by 2-2.5 cm, stalk c. ¼ cm long, beak minute, inserted at 85% of the height to nearly terminal, pericarp thin, outside glabrous, minutely wrinkled and verruculose, inside more or less densely dendroid-pubescent.
In forests and thickets, at up to 450 m. Fl. May, Oct., Dec., fr. Aug.-Nov. (Feb., May).
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