mountain mint: any of a number of perennial herbs of the genus Pycnanthemum; eastern North America and California
herb: a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
cultural revolution: a radical reform in China initiated by Mao Zedong in 1965 and carried out largely by the Red Guard; intended to eliminate counterrevolutionary elements in the government it resulted in purges of the intellectuals and socioeconomic chaos