Leonurus japonicus

Botanical Overview

Latin name: Leonurus japonicus
Family: Lamiaceae
Parts used: Aerial parts, herb
Common names: Chinese motherwort, Oriental motherwort

Energetics

The plant is considered energetically neutral in temperature with moistening properties. It has a bitter and acrid taste with ascending and descending directional qualities. It is tonifying and primarily influences the flow of qi and blood.

Primary Actions

  • Uterotonic
  • Hemostatic
  • Diuretic
  • Tonic

Indications

Western

  • Menstrual irregularities
  • Amenorrhea
  • Dysmenorrhea
  • Uterine bleeding
  • Edema

Syndromes

  • Menstrual disorders
  • Uterine bleeding
  • Chronic pelvic inflammation
  • Hypertension

TCM

  • Amenorrhea
  • Dysmenorrhea
  • Postpartum hemorrhage
  • Lower abdominal pain
  • Edema

Syndromes

  • Blood stasis
  • Qi stagnation
  • Uterine bleeding
  • Restless fetus

Ayurveda

Not well documented

Unani

Not well documented

Constituents & Mechanisms

Contains alkaloids, flavonoids, iridoids, diterpenes, and phenolic acids which contribute to its uterotonic, hemostatic, and diuretic effects.

Dosage & Preparations

  • Decoction 6-12 g daily
  • Tincture 1:5 40% ethanol 2-4 mL 2-3 times daily

Safety & Contraindications

Generally safe with traditional use but contraindicated during pregnancy due to its uterotonic effects which may induce miscarriage. Caution advised with bleeding disorders or anticoagulant medications. May cause mild gastrointestinal discomfort in some individuals.

Astrological Correspondences

No well-documented planetary or elemental rulers available in authoritative sources.

Selected References

  • Chinese Herbal Medicine: Materia Medica by Dan Bensky et al.
  • Pharmacological activities and phytochemistry of Leonurus japonicus: a review, Xiong et al., 2018
  • Plants For A Future Database: Leonurus japonicus
  • WHO Monographs on Selected Medicinal Plants, Volume 2 (2002)