Motherwort Fruit

Chinese
茺蔚子
Pinyin
Chong Wei Zi
Latin
Fructus Leonuri
Botanical illustration of Motherwort Fruit, Leonurus japonicus, showing fruiting calyces, nutlets, dried Chong Wei Zi fruits, and diagnostic plant details.
Botanical plate by Kodi .

Known in TCM as Chong Wei Zi (茺蔚子), this acrid and bitter, slightly cold herb enters the Liver and Pericardium. Traditionally, it invigorates Blood and regulates menstruation; treats irregular menstruation, dysmenorrhea, and postpartum abdominal pain from Blood stasis, most often applied for dysmenorrhea, menstrual irregularities, and blurred vision. Modern research has identified Leonurine among its active constituents.

Part used: Fruit

Also Known As

Leonurus japonicus seed Leonuri

Latin: Fructus Leonuri | Pinyin: Chong Wei Zi | Chinese: 茺蔚子

TCM Properties

Taste
acrid, bitter
Temperature
slightly cold
Channels
Liver, Pericardium

Traditional Use

Primary Actions

  • Invigorates Blood and regulates menstruation; treats irregular menstruation, dysmenorrhea, and postpartum abdominal pain from Blood stasis
  • Clears the Liver and brightens the eyes; used for red, swollen, or painful eyes from Liver Heat

Secondary Actions

  • The seed of the same plant that produces Yi Mu Cao (Motherwort herb); shares the Blood-invigorating action but is used with more emphasis on eye complaints

Classical References

  • Documented alongside Yi Mu Cao in later Chinese materia medica as the seed form of the same Blood-invigorating gynecological herb

Modern Research

Active Compounds

  • Leonurine and related alkaloids (shared with Yi Mu Cao)
  • Fatty oils

Studied Effects

  • Pharmacology of Leonurus japonicus as a species, including cardiovascular, uterotonic, and neuroprotective alkaloid activity, is well documented; seed-specific studies are less common than whole-herb studies

PubMed References

Safety & Interactions

Contraindications

  • Pregnancy
  • Continuous or heavy uterine bleeding
  • Liver Blood deficiency without stasis

Cautions

  • Shares the strong Blood-invigorating action of the parent plant; use cautiously in Blood-deficient patients

Conditions

Frequently Asked Questions

What is Motherwort Fruit used for?

Motherwort Fruit is traditionally used to Invigorates Blood and regulates menstruation; treats irregular menstruation, dysmenorrhea, and postpartum abdominal pain from Blood stasis, Clears the Liver and brightens the eyes; used for red, swollen, or painful eyes from Liver Heat. Research has investigated its effects on: Pharmacology of Leonurus japonicus as a species, including cardiovascular, uterotonic, and neuroprotective alkaloid activity, is well documented; seed-specific studies are less common than whole-herb studies.

What are other names for Motherwort Fruit?

Motherwort Fruit is also known as Leonurus japonicus seed, Leonuri. In TCM: 茺蔚子 (Chong Wei Zi); Fructus Leonuri.

Is Motherwort Fruit safe during pregnancy?

Motherwort Fruit is not recommended during pregnancy.

What are the contraindications for Motherwort Fruit?

Motherwort Fruit should not be used in: Pregnancy; Continuous or heavy uterine bleeding; Liver Blood deficiency without stasis. Consult a qualified practitioner before use.