Perennial herbs, shrubs or trees. Leaves imparipinnate; stipules minute or absent. Inflorescence a many flowered terminal racemes or panicle. Bracts linear, minute or absent. Calyx campanulate, teeth five, unequal, shortly triangular. Corolla cream or yellow, vexillum somewhat longer than the wings and keel. Stamens free or connate at the base. Ovary shortly stipitate, ovules many, style incurved, stigma terminal. Fruit a moniliform lomentum.