Perennial shrubs or small trees; branches often somewhat spiny. Leaves alternate, palmately trifoliolate, petiolate; stipules absent. Flowers axillary, in leafy umbel (in Victoria), terminal raceme or head; bracts and bracteoles caducous. Calyx tubular, shallowly 5-toothed, 2-lipped, upper lip 2-toothed, lower lip 3-toothed; petals white or yellowish, rarely purple (not in Victoria); standard more or less orbicular; wings oblong; keel oblong-falcate, obtuse, curved along lower surface. Stamens monadelphous; anthers alternately long and short; ovary sessile, style upcurved to looped, stigma capitate or extrorse, ovules 2 or more. Pod more or less oblong and compressed, dehiscent; seeds several, arillate.
About 30 species, from Europe and northern Africa; 1 species naturalised in Australia.