Centaurea cineraria subsp. veneris

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 : 270

(d) Subsp. veneris (Sommier) Dostál, loc. cit. (1976)

( C. veneris Sommier ):

Plant sparsely grey-tomentose, sometimes glabrescent. Stems procumbent. Lower leaves pinnatifid, with 4-7 segments on each side. Capitula subsessile. Involucre 10-30 x 10-25 mm, ovoid. 2« = 18. Coast of N. W. Italy.