Cephalorrhynchus Boiss.

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 : 328

167. Cephalorrhynchus Boiss. 1

Biennial or perennial herbs, with more or less tuberous roots. Stems usually solitary, much-branched above. Leaves pinnatifid, the cauline often more or less amplexicaul. Capitula numerous. Involucral bracts in several rows. Receptacular scales absent. Ligules yellow. Achenes fusiform, beaked; pappus of 2 rows of simple hairs, the outer much shorter than the inner.