Senecio lividus, 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 : 204

63. S. lividus L. , Sp. Pl. 867 (1753).

Erect, usually unbranched annual up to 40 cm, with sparse, eglandular hairs in lower half, more or less glandular-hairy in inflorescence. Leaves glabrous or somewhat glandular; basal leaves oblong-obovate, sinuate-lobed or pinnatifid, petiolate; middle and upper cauline leaves oblong, dentate, sometimes lobed, amplexicaul, with large, more or less dentate auricles. Capitula numerous, 6-10 mm in diameter, in a terminal corymb. Involucral bracts 8-10 mm, glabrous or subglabrous; supplementary bracts 4-6, 2-3 mm; all more or less dark-tipped. Ligules yellow, very short, revolute immediately after anthesis. Achenes 3-4 mm, covered with stiff, dense, erectopatent or subappressed hairs. 2/7 = 40. W. & C. Mediterranean region, Portugal. BI Co Ga Gr Hs It Lu Sa Si.