Trees, shrubs and woody climbers. Leaves large, bipinnate. Flowers yellow or red, often showy. Racemes paniculate, in the upper leaf axils or terminal. Calyx teeth 5, imbricate in the bud, the lowest outside. Petals orbicular, clawed, imbri¬cate. Stamens 10, free. Ovary sessile, usually few ovuled. Pod various, sometimes covered with spines.