Carlina (Lyrolepis)

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 : 209

Subgen. Lyrolepis (Rech, fil.) Meusel & Kästner. Perennial, with procumbent, much-branched, woody stock; at least some of the leaves without spines. Inner involucral bracts bright yellow.