Trees and shrubs. Leaves imparipinnate rarely unifoliolate, lateral leaflets alternate, exstipellate. Inflorescence a terminal or axillary cyme or panicle. Bract and bracteoles small. Calyx campanulate, teeth unequal. Vexillum ovate or orbicular. Keel petals united at the tip. Stamens 9 or 10, monadelphous or diadelphous. Ovary stipitate, ovules 1 to few, style incurved, glabrous, stigma capitate. Fruit samaroid, indehiscent, not winged, 1-4-seeded. Seed reniform, compressed.