Senecio doria, 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

19. S. doria L. , Syst. Nat. ed. 10, 2: 1215 (1759).

Perennial 40-100(-150) cm. Stock short, without stolons. Stems erect, branched only in inflorescence. Leaves rapidly decreasing in size and usually becoming sparser up the stem; basal and lower cauline 10-40 x 3-18 cm, ovate to linear-elliptical, obtuse or acute, long-petiolate, glaucous, rather thick, subentire or patentdentate with the outer margin of the teeth straight or concave; upper cauline usually ovate-lanceolate, amplexicaul, entire. Capitula many, 12-25 mm in diameter, in compound corymbs. Involucre 5-6(-9) mm, glabrous or sparsely hairy, with 2-4 supplementary bracts; bracts pale greenish throughout. Ligules 5-13, 7-10 mm, yellow. Achenes 3-4 mm. From E. France, C. Czechoslovakia and S. C. Russia southwards to S. Spain, Sicilia and Bulgaria. Au Bu Cz Ga Hs Hu It Ju?Po Rm Rs (C, W, E) Sa Si [Br].

1 Stemsorleaveshairy; ligules8-13 2 Achenesglabrous; leavesupto18 cm wide (b) subsp.umbrosus 2 Achenes hairy; leaves not more than 8 cm wide

(c) subsp. kirghisicus 1 Stemsand leavesglabrous; ligules5-6 3 Basal leaves oblong-spathulate, entire; achenes ±hairy

(d) subsp. legionensis 3 Basalleaveslinear-ellipticaltooblong-obovate,usuallyden­

tate; achenes glabrous (a) subsp. doria