Helianthemum hirtum, (L.)

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 287

7. H. hirtum (L.) Miller , Gard. Diet. ed. 8, no. 14 (1768).

Up to 30 cm, caespitose, with erect branches, rarely procumbent. Leaves 3-20 x 1-6 mm, the lower ones smaller, ovate-orbicular, the upper elliptical to linear-lanceolate, all somewhat fleshy, dark green to grey above, canescent and stellate-tomentose beneath. Cymes 5- to 17-flowered. Sepals prominently ribbed, the ribs and margins with conspicuous, long bristles; intercostal spaces stellate-hairy. Flowers 15 mm in diameter; petals white or yellow. Capsule included in the sepals. Scrub, woods, dry places, usually on calcareous substrate. S.W. Europe. Co Ga HsLu.