Botanical Overview
Viburnum prunifolium, commonly known as Black Haw, is a member of the Adoxaceae family. Native to Eastern North America, particularly in the Southeastern United States, Black Haw is primarily used medicinally for its bark.
Energetics
Black Haw has a neutral temperature and drying moisture quality. Its taste profile includes bitter and astringent qualities. Energetically, it is tonifying with a focus on the blood system.
Primary Actions
- Antispasmodic
- Astringent
- Sedative
- Uterine tonic
Indications
Western
Symptoms:
- Menstrual cramps
- Uterine spasms
- Muscle spasms
- Prevention of miscarriage
- Varicose veins
Syndromes:
- Dysmenorrhea
- Threatened miscarriage
- Uterine hypertonicity
TCM
No documented traditional Chinese Medicine indications available.
Ayurveda
No documented Ayurvedic indications available.
Unani
No documented Unani indications available.
Constituents & Mechanisms
The bark contains phytochemicals including coumarins, medicarpin, scopoletin, tannins, and valerenic acid which contribute to its antispasmodic and astringent effects.
Dosage & Preparations
- Decoction of bark: 2–4 grams three times daily
- Tincture (1:5 50% alcohol): 2–4 mL 2–3 times daily
- Capsule 300 mg standardized extract: 1–2 capsules daily
Safety & Contraindications
Black Haw is generally safe when used appropriately but should be avoided in early pregnancy unless supervised by a healthcare professional, due to its uterine effects. It may have additive effects with sedatives. Hypersensitivity to Viburnum species is a contraindication.
Astrological Correspondences
Currently, there are no well-documented planetary or elemental rulers associated with Viburnum prunifolium.
Selected References
- American Herbal Pharmacopoeia – Viburnum prunifolium (Black Haw) Monograph
- The Medicinal Plants of the United States and Canada – M.C. Foster
- PDR for Herbal Medicines – Black Haw (Viburnum prunifolium)
- University of Maryland Medical Center – Black Haw