Erysimum repandum, 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 : 274

36. E. repandum L. , Demonstr. Pl. 17 (1753).

Annual up to 35(-60) cm; hairs nearly all medifixed. Lower leaves linear- lanceolate to lanceolate, sinuate-dentate to entire, green. Pedicels 1-5 mm in flower, up to 7 mm and almost as thick as the siliqua in fruit. Sepals 3-6 mm, not or only slightly saccate at base; petals 6-10 x 1 - 5-2 mm, pubescent on the back; anthers 0-8- 1 -2 mm. Siliqua 45-100 x 1-1-5 mm, more or less circular in cross-section, patent, torulose, green; style 2-5 mm, about as wide as the siliqua. Seeds 1 -2-1-7 mm. 2n = 16. Ruderal. C., E. & S. Europe. Al Bu Cz Ge Gr Hu Hs It Ju Po Rm Rs (C, W, K) Tu.

A casual in most other countries, sometimes frequent.