Senecio doronicum, (L.) 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 : 197

26. S. doronicum (L.) L. , Syst. Nat. ed. 10, 2: 1215 (1759).

Stems stout. Basal leaves usually rounded or cuneate at base and more or less abruptly contracted into the petiole, glabrescent above, usually arachnoid-lanate beneath, thick and somewhat coriaceous. Capitula 30-60 mm in diameter, solitary or up to 4(-7) in a lax corymb. Involucre 10-15 mm, more or less arachnoid-lanate, with 12-20 supplementary bracts. Ligules 12-20 mm. Grassy and rocky places.?• Mountains of C. & S. Europe. Al Au Bu Ga Ge Gr He Hs It Ju Rm. 1 Supplementary bracts about as long as involucre; capitula 1-3; ligules 12-22, deep yellow or orange-yellow; basal leaves rounded or cuneate at base (a) subsp. doronicum 1 Supplementary bracts c. i as long as involucre

2 Capitula 3-7; ligules 10-15, deep or orange-yellow; basal leaves lanceolate, gradually narrowed into the petiole

(b) subsp. ruthenensis 2 Capitula solitary (rarely 2); ligules 12-17, pale yellow; basal leaves ± ovate, abruptly contracted into the petiole

(c) subsp. gerardii