Crepis sibirica, L.

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 : 347

1. C. sibirica L. , Sp. Pl. 807 (1753).

Stems 30-150 cm. Leaves more or less hairy especially on the veins beneath; basal fugacious; cauline 10-40 x 4-9 cm, ovate, oblong or lanceolate, more or less acute, sinuate-dentate; lower cauline with long, winged, dentate petioles; upper cauline sessile and amplexicaul. Capitula 1-6; peduncles stout, straight or arcuate. Involucre 13-20 x 10-25 mm; bracts linear-lanceolate, more or less acute, glabrous or with long, eglandular hairs especially in the middle, the outermost not more than | as long as inner. Achenes 6-11 x 1-1-3 mm, fusiform, straight or curved, brown, more or less attenuate at the apex, c. 20-ribbed. 2« = 10. Scrub and open woods. U.S.S.R.; C. Romania; E. Czechoslovakia. Cz?Po Rm Rs (N, C, W, E).