Tree to 18 m high. Buds pubescent; scars of inner pair of bud scales remote from those of outer pair. Leaves imparipinnate and/or trifoliolate, 3–13-foliolate, 9–45 cm long; petiolules of lateral leaflets obsolete or to 8 mm long; terminal leaflet sessile or with petiolule to 40 mm long; laminae narrowly to broadly elliptic, elliptic-oblong, obovate, or oblanceolate, 4.5–27 cm long, 1.5–9 cm wide, entire to crenate or coarsely serrate, acute to acuminate. Inflorescences 5–33 cm long. Sepals connate at base or up to nearly their full length, 0.7–1 mm long, persistent in fruit. Petals 3.5–4.5 mm long, glabrous. Ovary 1–1.5 mm high, woolly; ovules 4 per locule; style glabrous. Follicles 18–30 mm long, 15–30 mm wide, ±compressed, usually with short stylar beak; exocarp densely pubescent. Seeds subellipsoid or subreniform, 10–20 mm long.