Shrubs or slender trees. Leaves pinnately trifoliolate, alternate, petiolate; leaflets entire, the terminal one largest; stipules caducous. Flowers in terminal and leaf-opposed racemes, each flower subtended by a single bract and a pair of bracteoles, the bract and bracteoles linear, caducous; calyx with the 2 upper lobes broad and united into a 2-toothed lip, the lower 3 teeth narrow; corolla yellow or orange with red, brown, green or purplish markings; stamen-filaments joined in a sheath split open on the upper side; anthers uniform, dorsifixed, with a broad brown connective; ovary glabrous or almost so. Pods obliquely rhombic-oblong, stipitate, 2–4-seeded, valves thin, with thickened margins; seeds ovoid, with an elliptic or linear hilum covered by a hooded cap-like aril.
Endemic genus of 6 species; 3 in Victoria.