Centaurea, (Boiss. & Heldr.) O. Hoffm. Stems

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 : 269

Sect. Aegialophila (Boiss. & Heldr.) O. Hoffm. Stems very short. Leaves in a basal rosette. Involucre ovoid; bracts broadly ovate, coriaceous, with dorsal veins; appendages narrowly decurrent, with hyaline margin, spinose at apex.