Acanthomintha is a genus of the Lamiaceae, or mint family. The Acanthomintha genus is commonly referred to as thornmint or thorn-mint. There are four species within this genus, including the endangered species Acanthomintha duttonii. All four thornmints are native to the California Floristic Province. The origin of the genus name is from the identical Greek word meaning thornmint. The four known species of Acanthomintha are: