Synonyms for Lemon Mint (same or very similar meaning)
WordNet sense 1 (an annual horsemint of central and western United States and northern Mexico):
horsemint, Monarda citriodoraWordNet sense 2 (mint with leaves having perfume like that of the bergamot orange):
bergamot mint, eau de cologne mint, Mentha citrataFrom the ODE community, based on WordNetadd/edit