Herb 1-1.5 m tall. Leaves imparipinnate, lower leaflets usually further divided ; leaflets 3-5, 3-8 cm long, ovate, acuminate, base sometimes cordate, petiolulate to sessile, scabrous, especially on the veins; petiole and rachis covered with long hairs, tufted at the base of petiolules; stipules c. 1 cm long, adnate to the petiole. Peduncle glandular villous. Flowers bracteate; bracts lanceolate, c. 2 mm long. Sepals 5,1.5 mm long, ovate, basally adnate to the ovary, persistent. Petals absent. Stamens 5, opposite the sepals; filaments 2.5 mm long. Carpels connivent, oval, c. 1.5 mm, each prolonged into a short style, less than 1 mm long; stigmas capitate. Capsule c. 4 mm long, dehiscing longitudinally into 2 valves. Seeds numerous, 2 mm long, tailed at both ends.