Large glabrous shrub, often climbing. Leaves palmately compound; petiole 7-20 cm long; interpetiolar stipules c. 5 mm long. Leaflets (3-5-) 6 (-7), elliptic to ovate, entire, acuminate, 4.5-19 cm long; petiolule 1.5-6 cm long. Bracts caducous. Calyx margin entire. Petals 5. Styles united at the base.