Erysimum odoratum, Ehrh.

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 : 273

22. E. odoratum Ehrh. , Beitr. Naturk. 7: 157 (1792)

(£. pannonieum Crantz, E. erysimoides (L.) Fritsch ex Janchen , non (Kar. & Kir.) O. Kuntze).

Biennial (10-)20-90(-100) cm. Basal leaves lanceolate or oblanceolate, sinuate, dead at flowering time, grey-green; lower cauline dentate to sinuate-dentate. Pedicels 2-5 mm in flower, up to 8 mm in fruit. Sepals 6—8-5(—9) mm; petals 12-18 x 4-6-5 mm, bright yellow; limb broadly obovate; anthers 2-5-3 mm. Siliqua 20-70 x 1-1-2 mm, mostly erect; hairs on angles mainly medifixed. 2« = 24. • C. Europe extending to E. France, N. Italy, N. Greece and W. Russia. Al Au Bu Cz G a Ge G r He Hu It Ju Po Rm Rs (W). E. pallescens Herbich , Stirp. Rar. Bucov. 49 (1853), from W. Ukraine, has the pedicels 5-8mm in flower, up to 12 mm in fruit; sepals 8-11 mm; and the petals 15-18 mm. It is possibly a subspecies of 22.