Calamintha sylvatica subsp. sylvatica

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 : 166

(a) Subsp. sylvatica

( Satureja calamintha subsp. officinalis sensu Gams ).

Plant 30-80 cm. Leaves 25-70 x 18-45 mm, the middle and upper ovate, coarsely dentate or crenate-serrate, with 6-10 teeth on each side, the lower suborbicular. Peduncle up to 15 mm. Lower calyx-teeth 3-4 mm. Corolla 15-22 mm. 2« = 24. From S. England and France eastwards to S. W. Ukraine.