Salvia mairei (Dongchuan sage) is a perennial plant that is native to Yunnan province in China. The plant grows on one to a few stems from tall. The leaves are cordate-ovate to subhastate-ovate, typically ranging in size from long and wide, though they are sometimes larger. Inflorescences are 4-flowered verticillasters on terminal racemes or panicles that are long. The corolla is violet or purple, long.