Knautia arvernensis, (Briq.) Szabo

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 : 62

3. K. arvernensis (Briq.) Szabó , op. cit. 132 (1934)

( K. lacaitae Szabó ,?Äľ. ovatifolia (Lag.) G. Don, IK. legionensis (Lag.) DC. pro parte).

Like 1(c) but stock sometimes sympodial and with central leaf-rosette developing into a flowering stem; stem hispid below with rigid hairs more than 1 mm, rarely glabrous; leaves elliptical to narrowly lanceolate, crenate-serrate to subentire, sparsely hairy, the rosette-leaves without rigid, yellowish setae, the lower cauline long-acuminate, the upper cauline attenuate or rounded at base; capitula 3-5 cm in diameter; corolla purplishviolet to lilac. 2л = 40. Wood-margins and mountain meadows', somewhat calcifuge. • From S.C. France to C. Spain. Ga Hs?Lu. Variable, especially in leaf-shape, and difficult to separate from 9 and tetraploid variants of 5, especially in the Massif Central of France. Hybrid swarms with 29 are common.