wild mint

noun

1.
any north temperate plant of the genus Mentha with aromatic leaves and small mauve flowers
earthivy mint
2.
European mint naturalized in United States
corn mint field mint Mentha arvensis
3.
a coarse Old World wild water mint having long leaves and spikelike clusters of flowers; naturalized in the eastern United States
horsemint Mentha longifolia
4.
Eurasian perennial mint have small lilac-blue flowers and ovate leaves; yields an aromatic oil
brotherwort dwarfdwostle hillwort Mentha pulegium pennyroyal