香简草属（学名：Keiskea）是唇形科下的一个属，为草本或亚灌木植物。该属共有约6种，分布于日本和中国。

Collinsonia is a genus of flowering plants in the family Lamiaceae. It is native to East Asia and eastern North America. It was named for the English botanist Peter Collinson (1694–1768) by Carl Linnaeus in Species Plantarum in 1753. It is in the tribe Elsholtzieae, a small tribe of only 5 genera. In order of their number of species, they are Elsholtzia, Mosla, Collinsonia, Perilla, and Perillula.