Centaurea boissieri subsp. prostrata, (Cosson) Dostal

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 : 280

(c) Subsp. prostrata (Cosson) Dostál , loc. cit. (1976)

(C. prostrata Cosson ,?C. amoi Amo):

Stems 20-30 cm, procumbent. Leaves grey-tomentose on both surfaces; lower lyrate or undivided. Involucre 6-7mm in diameter, ovoid-cylindrical; appendages with a short apical spine, the lateral fimbriae 0-5 mm. Florets purple. Mountain grassland. • S.E. Spain.