Hieracium senescens

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 : 393

163. H. senescens group ( H. alpinum / schmidtii ). Stems 20-35(-60) cm, with few to numerous often dark-based simple eglandular hairs throughout, and numerous stellate and often glandular hairs above. Leaves with simple eglandular hairs, those on the upper surface and margin rigid, the margin usually with a few minute glandular hairs; basal 20-100 x 10-40 mm, oblanceolate, lanceolate, elliptic-lanceolate or oblong, obtuse to acute, more or less dentate, base attenuate into a petiole; cauline 1-3, like the basal or bract-like, sometimes with stellate hairs beneath. Capitula (1-)2-5(-6); peduncles with dense stellate hairs, scattered dark-based simple eglandular hairs and numerous dark glandular hairs. Involucre 10-15 x 8-15 mm, blackish; bracts broadly linear-lanceolate, more or less acute, with numerous dark or dark-based simple eglandular hairs (often tufted at apex of bract) and numerous dark, unequal glandular hairs, without or with more or less numerous stellate hairs. Ligules with short simple eglandular hairs at apex. Stigmas yellow. • W.C. Alps; Scotland. Br He.

Included species:

H. senescens Backh. , Monogr. Brit. Hier. 32 (1856). Br.