Glechoma hederacea, 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

1. G. hederacea L. , Sp. Pl. 578 (1753).

Subglabrous or pubescent; flowering stems up to 50(-60) cm, ascending or erect; non-flowering stems creeping and rooting. Leaves 4-35(-80) x 6-40(-80) mm, reniform to suborbicular-cordate, obtuse or subacute, coarsely crenate. Bracteoles 1-1-5 mm, setaceous. Calyx 5-6-5 mm, shortly hispid or pubescent and sometimes with sessile, yellow glands; teeth of upper lip as long as tube, triangular-acuminate. Corolla (6—)15—22(—25) mm, pale violet with purple spots on lower lip, rarely white or pink. Nutlets c. 2 mm. 2n = 18, 36. Woods, grassland and waste places, usually in damp soil. Almost throughout Europe. All except BI Cr Fa Is Sb Tu.

G. serbica Haläcsy & Wettst. , Verh. Zool.-Bot. Ges. Wien 38: 71 (1888) ( G. hederacea subsp. serbica (Haläcsy & Wettst.) Soó ), from Jugoslavia (Srbija), is, according to V. Blecic (Bull. Inst. Jard. Bot. Univ. Beograd nov. ser., 3: 221-225 (1968)) probably an ecological modification of 1. It is subglabrous, with calyx 4-6 mm, hirsute, the teeth almost as long as the tube and the corolla 20-27 mm, violet.