Leonurus is a genus of flowering plants in the family Lamiaceae. It is native to Europe and Asia, naturalized in New Zealand, Hawaii, New Caledonia, and much of North and South America.[2][3][4][5]

Illustration Leonurus cardiaca0.jpg
Leonurus cardiaca[1]
Scientific classification e
Domain: Eukaryota
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Subfamily: Lamioideae
Genus: Leonurus
  • Cardiaca Mill.
  • Marrubiastrum Ség.

Leonurus japonicus is one of the 50 fundamental herbs used in traditional Chinese medicine. It is called yìmǔcǎo (益母草) in Chinese.

Species are sometimes confused with the related genus Leonotis.



  1. ^ illustration from Prof. Dr. Otto Wilhelm Thomé Flora von Deutschland, Österreich und der Schweiz 1885, Gera, Germany
  2. ^ a b c Kew World Checklist of Selected Plant Families
  3. ^ Flora of China Vol. 17 Page 162 益母草属 yi mu cao shu Leonurus Linnaeus, Sp. Pl. 2: 584. 1753.
  4. ^ Altervista Flora Italiana, Genere Leonurus includes photos + European distribution maps
  5. ^ Biota of North America Program 2013 county distribution maps