Lactuca viminea, (L.) J. & C. Presi

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 : 329

1. L. viminea (L.) J. & C. Presi , FI. Čechica 160 (1819).

Usually glabrous biennial or perennial with fusiform root. Stems up to 100 cm, usually numerous. Leaves glaucous, decurrent with long, appressed, linear auricles; lower pinnatifid to pinnatisect with linear-lanceolate, often dentate segments, the undivided part of the lamina less than 2 cm wide; upper often entire. Inflorescence a much-branched or spike-like panicle. Capitula subsessile. Ligules pale yellow. Achenes 7-15 mm; body narrowly oblong-elliptical, 5- to 15-ribbed, black; beak shorter than or as long as body. Dry, rocky or stony places. S. & C. Europe, extending to C. France and S.E. Russia. Al Au BI Bu Co Cr Cz Ga Ge Gr He Hs Hu It Ju Lu Rm Rs (C, W, K, E) SaSi Tu. 1 Achenes 7-9 mm; beak not more than 1 as long as body

2 Stem 7-25 cm (a) subsp. alpestris

2 Stem 3O-8O(-1OO) cm (c) subsp. chondrilliflora 1 Achenes 9-15 mm; beak about as long as body

3 Plant branched only in the upper part (b) subsp. viminea

3 Plantbranched from thebase (d) subsp. ramosissima