Balm
Scientific name: Melissa officinalis L.
Diagnostic features Plant lemon-scented when fresh. Stems erect, to 1m. Leaves ovate, the lower with cordate to truncate base and petiole 1/2 as long as leaf-blade or more. Corolla 8-15mm.
Chromosome number: (2n=32, 34, 64).
Habitat Introduced-naturalized; much grown in gardens (often variegated) and a frequent throwout or self-sown.
Distribution Scattered in British Isles North to Co Cavan, Man and Cumberland; South Europe.
This species is keyed out on Page 3142: Melissa & Clinopodium and on Page 3160: Prunella & Melissa in the Text Key. |