Iberis semperflorens, L.

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 : 323

1. I. semperflorens L. , Sp. Pl. 648 (1753).

Small, evergreen, procumbent, diffuse, glabrous shrub up to 80 cm, branched above, with herbaceous flowering stems. Leaves thick, entire, flat; the lower 3 0-70x7-18 mm, broadly spathulate; the upper oblong-spathulate and much smaller. Inflorescence corymbose, but elongating in fruit. Petals white. Silicula 5-8 x 10-14 mm, ovate-rhombic, very narrowly winged; notch almost absent. 2« = 22 (44). Rock-crevices on maritime cliffs. • Sicilia and W. coast o f Italy; cultivated elsewhere in gardens and rarely escaping. It Si [Ga Hs Rm]. The only winter-flowering species.