horsemint

noun

1. a coarse Old World wild water mint having long leaves and spikelike clusters of flowers

   Synonym:    Mentha longifolia

2. tall erect perennial or annual having lanceolate leaves and heads of purple-spotted creamy flowers

   Synonym:    Monarda punctata

3. an annual horsemint of central and western United States and northern Mexico

   Synonym:    lemon mintMonarda citriodora