Carduus collinus, Waldst. & Kit.

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 : 228

29. C. collinus Waldst. & Kit. , Pl. Rar. Hung. 3: 257 (1807).

Biennial up to 100 cm. Stem arachnoid-hairy; wings up to 10 mm wide, crispate or sinuate, triangular with an apical spine up to 1 - 5 mm. Leaves oblanceolate or oblong, glabrescent above, lanuginous beneath with straight, unicellular, slender hairs. Capitula 20-25 x 15-20 mm, subglobose; peduncle up to 8 cm and 2 mm in diameter; involucral bracts 1-1-5 mm wide, closely imbricate or the outer patent, linear-subulate, glabrous or almost so, the mid-vein raised throughout its length; inner bracts slightly longer than the middle bracts, 1 -veined in the distal |, not contracted above the middle. Corolla 15-18 mm. Achenes 3-4 mm; pappus 13-15 mm. 2л = 16, 32. Grassy or stony hillsides. • From the Carpathians to S. Italy and C. Jugoslavia.?Au Cz Hu It Ju Po Rm.

1 Lower leaves with petiole c. j as long as lamina

(c) subsp. glabrescens 1 Lower leaves with petiole about as long as lamina 2 Cauline leaves white-lanuginous beneath, the lobes with an apical spine 2-5 mm (b) subsp. cylindricus 2 Cauline leaves grey-lanuginous beneath, the lobes with an apical spine not more than 1 mm (a) subsp. collinus