Senecio delphinifolius, Vahl

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 : 203

56. S. delphinifolius Vahl , Symb. Bot. 2: 91 (1791).

Sparsely hairy, erect annual up to 60 cm. Stem simple or branched only in inflorescence, slender, striate. Basal and lower cauline leaves withering early, ovate or lyrate, dentate, long-petiolate; middle and upper cauline leaves deeply 1 - to 2-pinnatisect with more or less linear, often 3-fid segments. Inflorescence terminal, subcorymbose. Capitula 12-20 mm in diameter on long, slender peduncles. Involucral bracts 6-8 mm, pale; supplementary bracts 2-3 mm, filiform, grading into rather distant bracts on peduncles. Ligules c. 12, 8-10 mm, linear, pale yellow. Achenes 1-1-2 mm, covered with glandular tubercles. Sandy ground. W. & S. Italy, Sicilia, Sardegna. It Sa Si. (N. W. Africa.)