Senecio erucifolius, 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 : 202

46. S. erucifolius L. , Sp. Pl. [1231] (1753).

Perennial 30-120 cm. Stock short, creeping, producing short stolons with terminal leaf-rosettes. Stems fioccose, branched above the middle. Basal and lower cauline leaves petiolate, more or less pinnatifid, usually persistent to anthesis; middle and upper cauline pinnatisect with a small, narrow terminal lobe and sub-parallel, linear, forwardlydirected lateral lobes; all leaves with somewhat revolute margins, and fioccose at least beneath. Capitula 12-15 mm in diameter, numerous, in a narrow corymb. Involucre 6-8 mm, fioccose, with 4-6 supplementary bracts about | as long as the ovatelanceolate, acute involucral bracts. Ligules 12-15, yellow. Achenes c. 2 mm, all shortly hairy; pappus c. 6 mm, persistent. Much ofEurope, but absent from most of the north andparts of the west.?A1 Au Be Br Bu?Co Cz Da Ga Ge Gr Hb He Ho Hs Hu It Ju Po Rm Rs (N, B, C, W, K, E) Si Su. S. grandidentatus Ledeb. , FI. Ross. 2: 636 (1845) (S', velenovskyi Borbas , S. arenarius Bieb., non Thunb.), from S.E. Europe (especially the Black Sea coast), and S. lycopifolius Desf. ex Poiret in Lam., Encycl. Méth. Bot., Suppl. 5: 131 (1817), from Sicilia, are densely grey-tomentose variants with less deeply dissected leaves. Such variants may be worthy of subspecific rank, but further information is required.