Perennial, glabrous suffrutex, up to 0.5 m high, decumbent to diffuse. Leaves terete, not distinctly jointed. Inflorescences few-flowered, terminal racemes. Flowers small, yellow. Calyx: teeth shorter or as long as tube, deltoid. Flowering time mainly Nov.-Jan. Pod narrowly elliptic, straight.
Decumbent shrublet to 50 cm. Leaves simple, terete, unarticulated. Flowers yellow, wings as long as keel. Pods narrowly elliptic, dehiscent, thin-walled.