Senecio paludosus, L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 196

21. S. paludosus L. , Sp. Pl. 870 (1753)

( S. racemosus auct. eur., non (Bieb.) DC.; inch S. auratus DC ., S. tataricus Less. ).

Perennial 50-200 cm. Stock short. Stems erect, branched above or only in inflorescence, sparsely to densely arachnoid-lanate, sometimes glabrescent. Leaves gradually decreasing in size up the stem; basal and lower cauline 10-20 x 1-2- 5 cm, linearlanceolate to lanceolate, acute, serrate, shortly petiolate, sparsely to densely arachnoid-lanate or -tomentose or rarely glabrous beneath, usually glabrous above; upper cauline sessile, subamplexicaul. Capitula many, 30-40 mm in diameter, in a panicle or corymb. Involucre 6-8 mm, more or less arachnoid-lanate at base, with 5-10 supplementary bracts c. i as long as the involucre. Ligules 12-20, 10-14 mm, yellow. Achenes c. 3 mm, glabrous or sparsely hairy. 2л = 40. Damp places. Much of Europe, but absent from parts of the north-west and the Mediterranean region. Au Be Br Bu Cz fDa Ga Ge He Ho Hs Hu It Ju Po Rm Rs (N, B, C, W, E) Su. Subspecies have been described, but are too poorly differentiated both morphologically and geographically to be worth maintaining.