Berteroa incana, (L.) DC.

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 : 305

4. B. incana (L.) DC. , op. cit. 291 (1821)

(incl. B. stricta Boiss. & Heldr. , Alyssum incanum L. , Farsetia incana (L.) R.Br. ).

Annual to perennial up to 70 cm; leaves lanceolate or oblong, usually entire. Petals 4-5-6 mm, white. Silicula 4-5-8 x 3-4-5 mm, elliptical or ovate, inflated, with convex valves, pubescent; style 1-5-4 mm. Seeds not winged, sometimes margined. 2n = 16. C. & E. Europe, extending to Denmark and Italy, but precise native distribution uncertain owing to widespread introduction. Al Au Bu D a Ge G r He Hu It Ju Po Rm Rs (N, B, C, W, K, E) Tu [Be Br Fe G a Ho N o Su].

B. stricta Boiss. & Heldr. , Diagn. Pl. Or. Nov. 3 (1): 35 (1853) with the silicula usually ovate (not elliptical), and with long unbranched as well as stellate hairs, occurs only in the Balkan peninsula and there largely replaces 4, of which it is possibly a subspecies.