Trifolium, (C. Presi) Godron

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 161

Sect. Paramesus (C. Presi) Godron . Annual. Inflorescence of 1-4 closely superposed whorls, each subtended by a minute involucre of ± connate bracts. Legume (l-)2-seeded, with a swollen and indurated wall, indéhiscent, exceeding the calyx-tube.