Capsella bursa-pastoris

Botanical Overview

Capsella bursa-pastoris, commonly known as Shepherd’s Purse, is a member of the Brassicaceae family. It is native to Europe and Asia but widely naturalized throughout North America. The medicinal parts primarily used are the aerial parts and leaves harvested when fresh or dried.

Energetics

This herb is considered to have a neutral temperature and drying moisture quality with an astringent and bitter taste. It is regarded as tonifying and is primarily associated with the blood system in traditional Western herbal energetics.

Primary Actions

  • Astringent
  • Hemostatic
  • Diuretic

Indications

Western

  • Mild bleeding disorders (e.g., menorrhagia, nosebleeds)
  • Menstrual irregularities
  • Wounds with mild bleeding
  • Postpartum bleeding

Syndromes

  • Menorrhagia
  • Hematuria
  • Postpartum bleeding

TCM

No well-documented traditional use or syndromes.

Ayurveda

Not traditionally used or documented in classical texts.

Unani

Not well documented.

Constituents & Mechanisms

Key phytochemical families include flavonoids, glucosinolates, tannins, and volatile oils, which contribute to its astringent and hemostatic properties.

Dosage & Preparations

  • Infusion: 2-5 grams of dried herb per cup of boiling water, taken 3 times daily
  • Tincture: 1:5 in 40% ethanol, 2-5 mL, 2-3 times daily

Safety & Contraindications

Generally considered safe with traditional use; however, caution is advised during pregnancy, especially in the first trimester, due to insufficient safety data and potential uterine stimulation. No major drug interactions have been reported. Avoid use in individuals with known hypersensitivity. Prolonged use should be supervised.

Astrological Correspondences

No well-established planetary or elemental rulers documented in reputable sources.

Selected References

  • Capsella bursa-pastoris (Shepherd’s Purse), Plants for a Future Database
  • World Health Organization Monographs on Selected Medicinal Plants, Volume 2, WHO 1999
  • Herbal Medicine: Biomolecular and Clinical Aspects, 2nd edition, Heinrich et al., 2011