Nepeta nuda subsp. nuda

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 : 160

(a) Subsp. nuda

(inch N. nuda subsp. pannonica (L.) Gams , N. pannonica L. ):

Lower leaves distinctly petiolate. Inflorescence lax. Calyx-teeth linear-lanceolate, pale green or blue-tinged. Corolla pale violet. Throughout the range of the species.