Nepeta, Bentham

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 : 158

Sect. Pycnonepeta Bentham . At least the lowest leaves petiolate. Inflorescence spike-like, rarely branched; verticillasters many-flowered. Outer bracts usually equalling or exceeding the calyx, often rigid or scarious. Flowers hermaphrodite. Calyx tubular, straight or curved; upper teeth exceeding the lower. Nutlets tuberculate or rugose.