Annual herb, 3-20 cm across, grayish, appressed-pubescent. Stem branched from the base, prostrate to ascending. Leaves 2-6 cm long, imparipinnate, petiolate, stipulate; leaflets in 3-(5)-8 pairs, oblong, elliptic, lanceolate or linear, 2-10 mm long, 1-4 mm broad, acute or obtuse, hairy on both surface. Inflorescences capitate, sessile, in groups of 2-6 flowered. Flowers 5-15 mm long, white to creamy or purple. Calyx tubular-campanulate, 3-5 mm long, with black and white hairs; teeth subequal, shorter than the tube. Pods 5-9 mm long, stellately divergent, sessile, triquetrous, oblong-lanceolate, 2-gibbous at base, slightly curved, acute, with appressed hairs or both spreading and appressed hairs. Seeds nearly quadrangular, smooth, yellowish, about 1 mm in diameter. Flowering from February to April.

Sandy soils.