Annual or perennial herbs. Leaf palmately 2 or 4-foliolate, leaflets glandular-punctate; stipules produced below the base. Inflorescence spicate, terminal or axillary. Bracts paired, enclosing the sessile flower bud. Calyx hyaline, 2 upper lobes connate, 2 lateral lobes smaller, lower as long as the upper. Corolla papilionaceous. Stamens monadelphous, anthers alternately long and short. Ovary sessile, ovules numerous. Fruit compressed, segmented, segments smooth or echi¬nate, indehiscent.