Centaurea spinabadia subsp. spinabadia

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 : 276

(b) Subsp. spinabadia :

Biennial. Stems 30-50 cm. Leaves green. Involucre 10-12 x 7-10 mm; bracts with indistinct veins, appressed, pale green; appendages with recurved apical spine 2-3 mm, the fimbriae c. 2 mm, brownish. Pappus 1-1-5 mm, as long as achene. E. Spain, just extending into S. France.