Rattlepod

Erect shrub or small tree, 2–5 m high; stems densely pubescent, often glabrescent.

Leaves simple, ovate or elliptic, 6–13 cm long, 33–80 mm wide, upper surface glabrous, lower surface densely greyish pubescent; petiole 1–2 cm long; stipules leafy c. 10 mm long.

Racemes c. 15 cm long; pedicels c. 15 mm long. Calyx c. 15 mm long, pubescent. Corolla 25–30 mm long, yellow with red-brown striations, wings ± longer than keel; keel incurved at middle, beak c. 15 mm long, twisted at apex.

Pod 50–70 mm long, glabrous; seeds c. 5 mm long, glossy, minutely papillose.