climbers, sometimes trees or large shrubs. Leaves imparipinnate, leaflets, 5-11
large. Inflorescence in ample thyrsoid panicle, with nodes not produced into
branchlets. Flowers showy. Calyx campanulate, teeth generally short or nearly
obsolete. Corolla much exserted. Stamens monadelphous or diadelphous, upper
distinctly free from the rest down to the base, filaments filiform, anthers
uniform. Ovary sessile, linear. Fruit a pod, linear or oblong, flat, winged on
both the satures, 1 or few-seeded.