Helianthemum sessiliflorum, (Desf.) Pers.

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 : 289

14. H. sessiliflorum (Desf.) Pers. , Syn. Pl. 2: 78 (1806).

Caespitose, much-branched dwarf shrub 30-60 cm; branches and shoots white, stellate-pubescent. Leaves varying according to the season; in rainy periods 15-20mm, lanceolate, green, with flat margins, caducous; in dry periods 5-12 mm, linear, whitish, strongly revolute, persistent. Cymes 6- to 15- flowered, dense; flowers minute, chasmogamous or cleistogamous. Sepals 1-2 mm, green, with stellate hairs between the ribs and long white hairs on the ribs, white-villous at base. Petals yellow, longer or shorter than the sepals. Dry hillsides near the sea. S. Italy, Sicilia. It Si.

Often regarded as a subspecies or variety of H. lippii (L.) Pers. , loc. cit. (1806), from N. Africa and Asia Minor.