Thymus, (Miller) Bentham. Small

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 : 178

Sect. SERPYLLUM (Miller) Bentham. Small shrubs or perennial herbs. Stems usually herbaceous or woody at the base, hairy all round or on 2 opposite sides, rarely on the angles only. Leaves not tomentose or velutinous; margins usually more or less flat. Bracts more or less similar to the leaves. Calyx more or less campanulate.