Herbs, undershrubs or shrubs, prostrate to erect. Leaf 1-5-foliolate, leaflets petiolulate, stipels 1 in lateral and 2 in terminal leaflet; stipules free or united, striate and ciliate. Inflorescence terminal or axillary, raceme or panicle or subumbellate. Bract striate and pubescent. Calyx 2-lipped, the upper lobe bifid, the lower 3 toothed or the calyx equally 5-lobed. Corolla exceeding the calyx. Stamens monadelphous or diadelphous, 9+1, anthers uniform. Ovary sessile or stipitate, ovules 2 to many. Fruit sessile or stipitate, transversely jointed, articles variously shaped, glabrous to densely pubescent, hairs straight or hooked.