Senecio balbisianus, DC.

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 : 199

34. S. balbisianus DC. , Prodr. 6: 360 (1838).

Perennial (20-)50-100 cm. Stock short, erect. Stems very stout, sparsely fioccose and more or less glabrescent. Basal leaves 20-45 x 3- 5-9 cm, erect, ovate to oblong, usually rounded to cordate at base, very coarsely dentate, fioccose and glabrescent; petiole II-4 times as long as lamina, often winged; middle cauline becoming oblong-ovate to linear-lanceolate, shortly petiolate or sessile and narrowed at base; upper cauline sessile, amplexicaul. Capitula 8-30, 25-35 mm in diameter, in a lax, sometimes compound corymb. Involucre 8-12 mm, more or less floccose-lanate at least below. Ligules 15-18, 10-15 mm, yellow. Achenes 3-4 mm, glabrous. Damp places. • Mountains of S.E. France and N.W. Italy. G alt.

Small plants from Alpi Marittime (Pizzo d’Ormea) approach 33 and 39.