Galeopsis speciosa, Miller

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 : 146

6. G. speciosa Miller , Gard. Diet. ed.8, no. 3 (1768).

Stem up to 100 cm, the angles setose; opposite sides, at least above, with appressed hairs. Leaves dentate, ovate to ovate-lanceolate, acuminate. Bracteoles setose, without soft hairs. Calyx 12-17 mm, with teeth, sinuses and ribs setose, otherwise subglabrous or with scattered smaller setae. Corolla (22-)27-34 mm, yellow, usually with a large purple blotch on lower lip. 2« = 16. Europe, except most of the islands and much of the south. Al Au Be Br Bu Cz Da Fe Ga Ge He Ho Hu It Ju No Po Rm Rs (N, B, C, W, E) Su [Hb].