Shrubs or subshrubs. Leaves imparipinnate, digitate or unifoliolate; leaflets usually coriaceous, mostly pungent-pointed. Stipules usually small, deciduous. Inflorescence a loose, axillary raceme. Flowers bisexual, irregular; bracts deciduous. Sepals 4 or 5, imbricate; outer 2 larger; inner 2 or 3 petal-like. Petals 4 or 5, yellow; adaxial one usually with a red basal flare; vexillar one interior in bud, unequal. Stamens 2, opposed to the 2 abaxial sepals; filaments much shorter than the anthers; anthers almost uniform or one much longer than the other, both fertile, dehiscing by vertical slits or apical pores. Ovary shortly stipitate, free, usually densely pubescent; style filiform; stigma terminal, small. Pods mostly oblong-elliptic, compressed, dehiscing along both sutures, usually with short, erect, uncinate hairs and longer, scattered, appressed hairs. Seeds slightly compressed; funicle dilated into a globular aril.