Cirsium furiens, Griseb. & Schenk

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 : 237

22. C. furiens Griseb. & Schenk , Arch. Naturgesch. (Berlin) 18 (1): 348 (1852).

Biennial 80-150 cm. Leaves arachnoid-lanate to -tomentose beneath; lobes oblong to lanceolate or elliptical, with slender apical spine 4-10(-15) mm. Capitula in a rather dense corymb, with 1—5(—8) subtending leaves shorter than to exceeding capitulum. Involucre 20-32 x 25-35 mm, glabrous or sparsely arachnoid-hairy; outer bracts erecto-patent to recurved, the middle suberect to patent, with dense, soft marginal spines 1 -5-3 mm, 3-5 times as long as width of bract, with setose spinules up to 1 -8 mm on inner surface of the curved part, the apex not widened, with weak apical spine 2-4-5 mm. Corolla 19-26 mm, white or red. Achenes 4-5-5 mm; pappus 17-24 mm. • Romania and E. Hungary. Hu Rm.