Lepidium perfoliatum, 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 : 332

17. L. perfoliatum L. , Sp. Pl. 643 (1753).

Annual or biennial with single erect, sparsely hairy stem 20-40 cm. Leaves strongly dimorphic, the basal long-petiolate, 2- to 3-pinnatifid, with narrow segments, the upper cauline subrotund, more or less acute, entire, the broad rounded lobes completely enclosing the stem and overlapping. Sepals c. 1 mm; petals pale yellow, narrowly spathulate, only a little longer than sepals. Pedicels 4-5 mm in fruit, ascending, glabrous. Silicula usually c. 4 x 4 mm, very narrowly winged above; style short, exserted from the small apical notch. 2« =16. Native in C., E. & S.E. Europe; widely introduced and naturalized elsewhere. Al Au Bu Cz G r Hu Ju Po Rm Rs (C, W, K, E) Tu [Be Br D a Fa G a Ge He Ho Hs Is It No Su].