Annual, prostrate or decumbent herb, 5-30 cm high, branched from the base, more or less pubescent. Leaves imparipinnate, petiolate; stipulate; leaflets 1-4 (5) pairs, oblong to obovate or elliptical, obtuse and retuse, 4-14 mm long, 3-8 mm wide, furnished with appressed grayish, simple hairs on both surfaces or rarely glabrous. Inflorescence lax raceme, 1-7 flowers, shorter than the subtending leaf. Flowers 9-13 mm long, whitish-pink to violet, sometimes tinged with yellow. Bracts ovate to lanceolate, 1-3 mm long, white-ciliate. Calyx 4-6 mm long, tubular, white and appressed-hirsute, teeth half as long as tube, linear-lanceolate. Standard 5-6 mm long. Pod subsessile, linear, grooved, strongly curved (semicircular), pubescent, 15-30 mm long, 2-3 mm wide, bilocular. Flowering from February to April.

Sandy soils.