Botanical Overview
Zanthoxylum americanum, commonly known as American prickly ash, Northern prickly ash, or Yellow prickly ash, is a member of the Rutaceae family native to North America, particularly the Eastern United States and Canada. The plant’s bark, root, and fruit are traditionally used medicinally.
Energetics
This warming and drying herb possesses bitter and pungent tastes. Its energetics are characterized by an ascending and outward directionality. It is considered tonifying in nature, primarily acting on the qi.
Primary Actions
- Circulatory stimulant
- Digestive bitter
- Nervine tonic
- Antimicrobial
- Analgesic
Indications
Western
- Poor circulation
- Indigestion
- Flatulence
- Joint pain
- Toothache
- Cold extremities
Syndromes
- Circulatory insufficiency
- Digestive sluggishness
- Rheumatism
TCM
No traditional Chinese Medicine uses reported.
Ayurveda
No traditional Ayurveda uses reported.
Unani
No traditional Unani uses reported.
Constituents & Mechanisms
The plant contains various alkaloids, essential oils, amides, lignans, and flavonoids which contribute to its circulatory stimulant and analgesic effects.
Dosage & Preparations
- Decoction of bark or root 2-4 g 1-3 times daily
- Tincture 1:5 40% ethanol 2-5 mL 1-3 times daily
- Topical use for toothache or rheumatic pain
Safety & Contraindications
Generally regarded as safe in traditional doses. Use cautiously during pregnancy due to limited safety data. Some individuals may experience mild irritation or allergic reactions.
Astrological Correspondences
No well-supported planetary or elemental rulers identified.
Selected References
- Plants For A Future: Zanthoxylum americanum – American prickly ash
- Duke JA. Handbook of Medicinal Herbs. 2002.
- Moerman DE. Native American Ethnobotany. 1998.
- USDA NRCS Plant Guide for Northern Prickly Ash. 2011.