Teucrium polium subsp. polium

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 : 134

(a) Subsp. polium :

Stems 6-17(-20) cm; hairs grey; margins of leaves more or less revolute; flower-heads simple; proximal corolla-lobes ciliate. • S., C. & E. Spain, S. France.