Marrubium leonuroides, Desr.

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 : 138

7. M. leonuroides Desr. in Lam., Encycl. Méth. Bot. 3: 715 (1792).

Stems up to 45 cm, green, tomentulose. Leaves reniform, cordate at base, deeply and obtusely incise-dentate, appressed-hairy above, more densely hairy beneath; petiole longer than lamina. Verticillasters many-flowered. Bracteoles inconspicuous, subulate, villous, more or less glabrous at apex. Calyx-tube white-lanate; teeth 5, somewhat shorter than corolla and calyx-tube, less than 1 mm wide at the base, subulate, not becoming rigid in fruit. Corolla pink to lilac. Dry, stony ground. E. Krym. Rs (K). (Caucasus.)