A coarse herb becoming softly woody in age or a shrub 0.5-3 m high. Leaves are usually 10-25 cm long, with (2-) 3-6 pairs of accrescent leaflets, the distal ones with ovate to elliptic, acuminate blades up to 10.5 x 4 cm. Racemes2-8-flowered; have pedicels 10-25 mm long at anthesis and yellow petals up to 8-15 mm long. Pods are stiffly ascending or outwardly recurved, up to 18 cm long, and very slender.