Alyssum montanum, 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 : 301

27. A. montanum L. , Sp. Pl. 650 (1753)

(inch A. thessalum Halâcsy ).

Procumbent to erect, green to almost white perennial 5-25 cm, with non-flowering rosettes or short stems. Basal leaves oblong or oblanceolate-spathulate, upper linear or linearspathulate; hairs O-4-O-7 mm in diameter, 6- to 24-rayed. Fruiting racemes long; pedicels 4-6 mm, patent or erecto-patent. Sepals 2-5-3-5 mm; petals emarginate. Silicula 3-5-5 mm; valves inflated, with flattened margin. Seeds 1-5-2 mm; wing 0-2- 0-4 mm wide. Most o f Europe except the north and south-west. Al Au Bu Cz Ga Ge G r He Hs Hu It Ju Po Rm Rs (B, C, W, K, E).