Leonurus spp.

The genus Leonurus is a flowering plant in the sub-family Lamiaceae. It is native to Europe and Asia, naturalized in New Zealand, Hawaii, New Caledonia, and much of North and South America. Most species of Leonurus have some traditional use as calming or sedating tea or smoking herbs. The Leonurus genus containing about 20 species, with L. sibiricus and L. cardiaca have very similar activity to one another, likened to cannabis.