Centaurea leucophaea subsp. pseudocoerulescens

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 : 277

(d) Subsp. pseudocoerulescens (Briq.) Dostál , loc. cit. (1976)

( C. paniculata var. pseudocoerulescens Briq. , C. pseudocineraria (Fiori) Rouy ):

Like subsp. (c) but involucre 10-13 x 8-12 mm; appendages with a short apical spine, the fimbriae 8-9 on each side. Florets lilac. 2« = 18. S.E. France.