Definition of 'horsemint'
- an annual horsemint of central and western United States and northern Mexico
Synonyms: lemon mint Monarda citriodora
- 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
Synonyms: Monarda punctata
- a coarse Old World wild water mint having long leaves and spikelike clusters of flowers; naturalized in the eastern United States
Synonyms: Mentha longifolia