Leonurus japonicus

Leonurus japonicus, commonly called oriental motherwort[3] or Chinese motherwort, is a herbaceous flowering plant native to Asia, including Korea and Japan, and China to Cambodia.

Leonurus japonicus
Leonurus japonicus[1]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Leonurus
Species:
L. japonicus
Binomial name
Leonurus japonicus
Synonyms[2]
  • Leonurus artemisia (Lour.) S. Y. Hu
  • Leonurus heterophyllus Sweet
  • Leonurus sibiricus auct. pl.
  • Stachys artemisia Lour.

Description

Plants are annual or biennial, growing from taproots. The stems are upright growing to a height of 30 to 120 cm. The flowers are sessile and produced in verticillasters. The calyx is tubular-campanulate shaped and 6–8 mm long with broad triangle shaped teeth. The corolla is white or reddish to purplish red in color. Plants bloom from June to September.[4]

It has escaped cultivation and become naturalized in other parts of the world including South and North America, Europe and Africa.

Uses

It is one of the 50 fundamental herbs used in traditional Chinese medicine, where it is called yìmǔcǎo (Chinese: 益母草), literally "beneficial herb for mothers".

In China, Leonurus heterophyllus injection has been studied for its potential to prevent postpartum hemorrhage after caesarian section.[5]

Leonurus japonicus, contains several compounds with biology activity, such as guanosine (CAS: 118-00-3), rutin (CAS: 153-18-4), syringic acid (CAS: 530-57-4) and stigmasterol (CAS: 83-48-7). Scientists use the purified compound as a standard in drug screening.[6]

  • Bush
  • Flower
  • Shrub

See also

References
  1. Flora de Filipinas, Gran edicion, [Atlas II].[1], by Francisco Manuel Blanco circa 1880
  2. "Leonurus japonicus". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2008-02-11.
  3. English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. 2015. p. 513. ISBN 978-89-97450-98-5. Archived from the original (PDF) on 25 May 2017. Retrieved 4 January 2017 – via Korea Forest Service.
  4. Flora of China
  5. Lin JH, Lin QD, Liu XH, Yan JY, He J, Li L, Gu H, Sun LZ, Zhang JP, Yu S, Ma YY, Niu JM, Xia Y, Zhao SC, Li W, Wang HL, Wang BS (2009). "Multi-center study of motherwort injection to prevent postpartum hemorrhage after caesarian section". Zhonghua Fu Chan Ke Za Zhi. 44 (3): 175–178. PMID 19570440.
  6. https://www.biocrick.com/botanysource/Leonurus-japonicus_1
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