Centaurea vallesiaca, (DC.) Jordan

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 : 278

121. C. vallesiaca (DC.) Jordan , Pug. Pl. Nov. Ill (1852).

Biennial. Stems 25-70 cm, much-branched from the middle. Leaves greyish-green; lower 2-pinnatisect, with oblong to linear segments. Involucre 8-10 mm in diameter; appendages not covering the bracts, pale brown, sometimes with a small black centre, with an apical mucro up to 0-5 mm, the fimbriae 1-2 mm, 3-5 on each side, the lower forming a large auricle. Florets pink. Pappus c. 1 mm, c. | as long as achene. • S. W. Alps. Ga He It.