A bushy ascending shrub 40-150cm tall but usually represented in gardens by G.p.
'Procumbens', a flatly mat-forming variant 30-60cm in diameter and an excellent rock garden plant. Leaves ovate 3-5mm long, appressed-hairy beneath. Flowers about 1cm long, bright yellow, singly or in pairs usually in profusion. Western and central Europe in poor, dry, sandy and stony soils, the prostrate phase often on cliffs.