Pinguicula vulgaris, L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 296

12. P. vulgaris L. , Sp. Pl. 17 (1753)

(inch P. norica G. Beck ).

Overwintering as a bud. Leaves 5-11, 20^45(-90) x 14-20 (-26) mm, oblong to obovate-oblong; margin somewhat involute. Pedicels 1-6, 75-180(-270) mm, glandular. Corolla 15-22 (-30) mm. Calyx-lobes triangular to ovate or oblong, acuminate or obtuse, broadly based, the lower lip divided for up to 1 its length. Corolla-lips unequal, violet, usually white at the throat; lobes of the upper lip oblong, those of the lower lip oblong, much longer than wide, divergent, not overlapping. Spur 3-6(-10) mm, cylindric-subulate, straight. Capsule ovoid. 2« = 64. Bogs, wet heaths and wet rocks. N., W. & C. Europe, extending eastwards to W. Ukraine. Au Be Br Cz Da Fa Fe Ga Ge Hb He Ho Hs Hu Is It Ju Lu No Po Rm Rs (N, B, C, W) Su.

Hybridization between 11 and 12 almost certainly occurs and a hybrid between 12 and 3 has been reported.