Sisymbrium irio, 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 : 264

3. S. irio L. , Sp. Pl. 659 (1753).

Annual up to 60 cm, glabrescent or with long curved hairs. Lower leaves sinuate-pinnatifid, the terminal lobe larger than the laterals; cauline leaves lobed or entire and hastate, shortly petiolate. Inflorescence condensed, the young siliquae overtopping the flowers and buds; pedicels 3-6 mm in flower, up to 20 mm in fruit. Petals 2-5-3-5(-6) mm; anthers c. 0-7 mm. Siliqua 25-65 x 0-7-1 mm, torulose; style rarely more than 0-5 mm; septum more or less hyaline. Seeds c. 1 mm. In = 42. Probably native only in S. Europe, but occurring throughout Europe except the extreme north. *Au BI Bu Co Cr Ga G r He Hs It Ju Lu *Rm Sa Si [Az Be Br Cz D a Ge Hb Ho H u N o Rs (C, W) Po Su].