Perrenial rhizomatous plant with a four-angled stem and opposite, hairy, roundly toothed glandular leaves containing a lemon scent; the flowers are small with two stamens longer than the others. and they yield nectar; used as a spice.

Sedative, reduces flatulence, aids in digestion, diaphoretic and tonic (to the brain).

Citral, citronellal, eugenol acetate and geraniol (small amount of essential oil), flavonoids and bitter compounds

Digestive disorders, insomnia and heart palpitations (associated with anxiety); headaches (during pregnancy) and as a poultice for sores and insect bites.

Grieve M. A Modern Herbal (1931) (www.botanical.com).