Trees or scandent shrubs. Leaves alternate, imparipinnate; stipules subulate; stipels absent; leaflets mostly subopposite, unequal-sided at base. Inflorescences in axils of current or fallen leaves, sometimes precocious, contracted subracemose panicles; bracts narrow; bracteoles small. Calyx with 2 broad upper lobes joined nearly to tips and 3 smaller triangular or deltoid lower lobes. Corolla cream or yellowish with standard at least marked purplish or reddish; standard with well-developed claw supporting a broad blade emarginate at both ends, longer than other petals; wings free; keel-petals little shorter than wings, only slightly curved, shortly adherent on lower side. Vexillary stamen free; anthers dorsifixed, with a broadened connective, the thecae thus turned forwards with longitudinal slits down the face. Ovary subsessile, with no more than about 8 ovules; style curved at base and tapering to a small stigma. Fruit subsessile, indehiscent, flattened and thin, ± oblong, laxly venose, 1(–2)-seeded. Seeds reniform, smooth; hilum and rim-aril small.