Brassica rupestris, Rafin.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 337

5. B. rupestris Rafin. , Caratt. ’l l (1810).

Glabrous, branched small shrub; stems up to 150 cm. Basal leaves 20-40 cm, lyrate-pinnatipartite with terminal lobe pinnately divided, more or less acute; petiole about as long as the lamina. Siliqua 35-5O(-7O) x 3-5 mm, 4-angled, attenuate into a slender beak 3- 6 mm long (7-12 mm in var. longirostris Guss. ). 2n=18. • Sicilia; S. Italy. It Si.