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Calyx campanulate, shortly 4-fid or 4-toothed, the upper lobe entire or bifid. Vexillum ovate, about equalling the subfalcate carina. Stamens 9, monadelphous in a split tube; no vexillary stamen. Ovary several-ovuled; style short, incurved, glabrous. Legume oblong, compressed, 4–6-seeded, with partitions between the seeds. Diffuse or climbing, slender, ligneous plants, chiefly from tropical Asia; naturalized in several parts of the tropics. Leaves abruptly pinnate, multi-jugate. Flowers racemose, orange. Seeds glossy, oblong, red, with a black spot round the hilum. Roots used as a substitute for liquorice.