Stachys sylvatica, 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 : 154

24. S. sylvatica L. , Sp. Pl. 580 (1753).

Erect, hirsute and glandular-pubescent perennial 30-120 cm. Leaves 40-140 x 20-80 mm, cordate-ovate, acute, crenate-serrate, sparsely hirsute, all petiolate. Verticillasters (2-)6(-8)-flowered, more or less crowded. Calyx 6-8 mm, glandular-pubescent; teeth equal, as long as or slightly shorter than tube. Corolla 13-18 mm, dull reddish-purple with white markings, rarely white or pale pink, puberulent; upper lip 4-5 mm; lower lip 6-7 mm. 2« = 66. Shady places. Most of Europe, but rare in the Mediterranean region. All except Az BI Cr Fa Is Sa Sb.