Rootwork

Motherwort

Leonurus cardiaca

LamiaceaeCentral Asia and southeastern Europe, naturalized in temperate regions worldwide

Description

overall appearance

Motherwort is a tall perennial herb growing 3-5 feet tall with an upright, branching growth habit and distinctive palmate leaves.

roots

Fibrous root system with short rhizomes that form clumps rather than spreading aggressively.

stem

Square stems characteristic of mint family, erect and sturdy, often purplish and covered with fine hairs.

leaves

Distinctive palmately lobed leaves become increasingly divided toward the top of the plant. Lower leaves are larger (2-4 inches) and less divided.

flowers

Small pink to white tubular flowers are arranged in dense whorls around the stem at leaf nodes. Flowers have spiny calyces.

fruits/seeds

Small, brown nutlets (typically 4 per flower) are three-angled and topped with spiny sepals.

Botanical illustration of Motherwort (Leonurus cardiaca)

Active Compounds

Alkaloids (leonurine, stachydrine)Iridoid glycosides (leonuride, galiridoside)Flavonoids (rutin, quercetin, kaempferol)Phenolic acids (caffeic acid, chlorogenic acid)Diterpenes (leocardin)Essential oils

Traditional Uses

  • Heart conditions and palpitations
  • Anxiety and nervous tension
  • Menstrual irregularities and menopause
  • Postpartum recovery
  • Hypertension and circulation
  • Insomnia and restlessness

Modern Applications

  • Natural anxiety and stress relief
  • Heart rhythm support and palpitations
  • Women's reproductive health
  • Menopausal symptom relief
  • Mild hypotensive effects
  • Nervous system calming

⚠️ Safety Information

Contraindications

  • Pregnancy (may stimulate uterine contractions)
  • Heavy menstrual bleeding
  • Low blood pressure
  • Cardiac medications without professional supervision

Side Effects

  • Generally well-tolerated in moderate doses
  • Possible drowsiness with large amounts
  • May lower blood pressure
  • Gastrointestinal upset in sensitive individuals

Drug Interactions

  • May enhance effects of heart medications
  • Possible interactions with blood pressure medications
  • May increase effects of sedative medications
  • Caution with anticoagulant drugs

Parts Used

  • Aerial parts (leaves, stems, flowers)
  • Fresh or dried plant material

Preparation Methods

1-2 tsp dried herb per cup water, steep 10-15 minutes

1:5 ratio in 40% alcohol, 2-4 ml three times daily

Traditional preparation from fresh flowering tops

For stronger bitter effects, simmer briefly

Powdered herb in standardized preparations

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Disclaimer: For educational purposes only. This is not medical advice. Always consult a qualified healthcare provider.