Glechoma L.

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 : 161

19. Glechoma L. 1

Perennial herbs. Verticillasters 2- to 5-flowered, secund. Calyx tubular-campanulate, 2-lipped; upper lip with 3, the lower lip with 2 teeth. Corolla 2-lipped; tube straight, widening towards the apex; upper lip flat; lower lip 3-lobed. Anther-cells at right angles to each other, each opening by a separate slit. Nutlets smooth. Calyx 5-6-5 mm; teeth of upper lip of calyx |- i (- i) as long as tube, triangular-acuminate 1. hederacea

Calyx 7—11 mm; teeth of upper lip of calyx j as long to about as long as tube, linear-lanceolate, acuminate 2. hirsuta