The genus name comes from Menthe or Minthe, a water nymph in Greek mythology, who was transformed by Persephone into a mint plant in revenge for Minthe’s ongoing affair with Hades (husband of persephone). Specific epithet means spike.3
This is the official mint of the mint julep.1
1 The Herb Society of America information sheet on Metha spicata ‘Kentucky Colonel’
3 .missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=a244