Valeriana tuberosa, 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 : 53

3. V. tuberosa L. , Sp. Pl. 33 (1753) .

Rhizome short, simple, tuberous, emitting short stolons each with its own tuber. Stem (5-)10-40(-60) cm, solitary, glabrous. Basal leaves simple, elliptical or ovate, entire; lower cauline usually pinnatifid, occasionally 3-fid or entire; upper pinnatisect with more or less linear leaflets. Inflorescence simple or somewhat branched, dense. Flowers hermaphrodite, pink; corolla-tube 3-5-5 mm. Fruit 4-5 mm, about twice as long as wide, hairy on both surfaces. 2n = 16. Dry grassland. S. Europe, extending northwards to 47° 30' N. in France and 52° N. in S.E. Russia. Al Bu Co Ga Gr Hs It Ju Lu Rs (C, W, K, E) Si.