Centaurea affinis subsp. affinis

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 : 272

(a) Subsp. affinis :

Stems paniculately branched. Leaves grey-green; cauline lyrate, the terminal segment and the uppermost leaves oblong, c. 3 mm wide, the lateral segments 3 mm wide. Appendages 2-3 mm wide, broadly triangular, black, with 6-8 fimbriae on each side. Throughout the range of the species.