Onopordum corymbosum, Willk.

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 : 246

5. O. corymbosum Willk. , Linnaea 30: 108 (1859).

Plant up to 120 cm, with multicellular hairs, more or less viscid. Stem yellowish; wings up to 6 mm wide, not reticulate-veined, with spines up to 15 mm. Leaves up to 40 x 10 cm, oblong-lanceolate, sessile, pinnatifid or sinuately lobed, with 6-8 pairs of lobes or teeth, with an apical spine 5-10 mm, dark green, sparsely hairy above, with numerous minute hairs on the raised veins beneath. Capitula 30-40 x 35-50 mm, subglobose, slightly arachnoid-hairy; involucral bracts 3-4 mm wide in basal i, acuminate- triquetrous with an apical spine up to 5 mm, puberulent in the distal i along the keel. Corolla 20-25 mm, purple. Achenes 4-5 mm, dark greyish-brown; pappus 8-10 mm. • E. Spain-, C. Jugoslavia. Hs Ju.