Scorzonera villosa, Scop.

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 : 321

21. S. villosa Scop. , FI. Cam. ed. 2, 2: 97 (1772).

Perennial 20-60 cm, more or less hirsute to arachnoid-lanate especially at base of stems, leaves and on outer involucral bracts, more sparsely hairy or glabrous elsewhere; rootstock vertical, cylindrical, sometimes with a deeply buried ovoid tuber, not fibrous at apex. Stems solitary or few, rather rigid, simple or rarely with l (-2) branches, leafy only in lower half. Leaves 10-25 xO-2-0-3 cm, linear, entire, keeled, the basal with dilated whitish sheaths. Involucre 17-25 mm. Ligules 1 |-1 | times as long as involucre, yellow, reddish outside. Achenes 9-15 mm, cylindrical-ellipsoid. Pappus-hairs 1^-2 times as long as achene, pale reddish-brown. Grassy places. • C. Mediterranean region and N.W. part of Balkan peninsula.?A1 It Ju Sa Si.

1 Achenes with ± smooth ribs; leaves callose at apex

(c) subsp. callosa 1 At least the outer achenes with spinulose-dentate or acutely lamellate ribs; leaves not or scarcely callose at apex

2 Pappus-hairsscabridwiththeprojectionsc.0 -1 mm

(a) subsp. villosa 2 Pappus-hairsplumoseat leastat basewiththe lateralhairsat least 0- 5 mm (b) subsp. columnae