horsemint

Horsemint has 2 syllables: horse · mint.

noun. A coarse Old World wild water mint having long leaves and spikelike clusters of flowers; naturalized in the eastern United States.

noun. An annual horsemint of central and western United States and northern Mexico.

noun. Tall erect perennial or annual having lanceolate leaves and heads of purple-spotted creamy flowers; many subspecies grown from eastern to southwestern United States and in Mexico.