Liana, up to 25 m by 7.5 cm. Twigs densely fulvous-tomentose. Leaves (4-)7 to c. 20-jugate; lateral petiolules c. 0.5 mm long. Leaflets oblong-obovate to lanceolate, rarely ovate (especially the terminal ones), 5.5-(-12) by 1.25-4(-5) cm, (basal pairs elliptic to ovate, 2-3 by 1.5 cm), thin-coriaceous to stiff-chartaceous, slightly bullate, sparsely tomentose on the midrib above, thinly short-pilose on the nerves beneath; base of lateral leaflets slightly oblique, cordate, of the terminal ones equilateral, broadly cuneate; apex slightly acuminate to caudate, blunt; nerves 6-10 pairs, patent, rather irregular, nearly straight, distinctly looped and joined. Inflorescences axillary, consisting of 5 fascicled, narrow panicles (and often some smaller ones), which are 7-15 cm long, rather many-flowered, fulvous-tomentose. Calyx 2 mm high, laxly pilose outside. Corolla 5 mm long. Ovary and basal half of the style laxly pilose. Fruits oblong-ovoid, curved, 1¼-1¾ by ½-¾ cm, acute.