perennial herb, of the pea family (Fabaceae), found in meadows, alpine pastures, and dry places of Europe and northern Africa. The low, hairy plant grows to a height of 15–40 cm (6–16 inches) and has narrow leaves 1.4–3.8 cm (0.5–1.5 inches) long and yellow, reddish, or white flowers. It was formerly used as a remedy for kidney disorders but is now frequently cultivated in rock gardens.