Prenanthes purpurea, 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 : 331

1. P. purpurea L. , Sp. Pl. 797 (1753).

Stems 25-150(-250) cm, glabrous. Leaves 40-180 x 5-40 mm, all cauline, elliptical, oblong or panduriform, sometimes linear ( var. angustifolia Koch ), acute, entire to sinuate-dentate, rarely lyrate-pinnatifid, glaucous. Inflorescence a much-branched panicle of numerous, narrow capitula. Involucre 10-15x 3-5 mm; bracts lanceolate, obtuse, the outer and median as long as the inner. 2n — 18. Woods and other shady places, mainly in mountain districts. From C. France and S. Poland southwards to N. Spain, C. Italy and Greece. Al Au Bu Co Cz Ga Ge Gr He Hs Hu It Ju Po Rm Rs (W) [Da].