Thymus

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 : 176

Sect. Thymus (Sect. Vulgares Velen., Sect. Zygis Willk. ). Small shrubs. Leaves with prominent mid-vein and usually revolute margins, usually tomentose at least beneath. Bracts similar to leaves or not, mostly greenish. Calyx more or less campanulate; upper teeth more or less as long as wide. Corolla scarcely longer to distinctly longer than calyx.