Botanical Overview
Larrea tridentata, commonly known as Creosote bush, Chaparral, Greasewood, and Gobernadora, is a member of the Zygophyllaceae family native to the southwestern United States and northern Mexico. The primary medicinal parts used are the leaves and stems.
Energetics
This plant is considered warming and drying, with bitter and astringent tastes. Its energetic action is generally descending, and it is characterized as tonifying in its traditional use.
Primary Actions
- Antimicrobial
- Anti-inflammatory
- Antioxidant
- Astringent
Indications
Western
- Respiratory infections
- Digestive complaints
- Skin infections
- Inflammation
Syndromes
- Upper respiratory tract infections
- Gastrointestinal disturbances
- Wound healing support
TCM
No traditional indications noted.
Ayurveda
No traditional indications noted.
Unani
No traditional indications noted.
Constituents & Mechanisms
Key phytochemicals include nordihydroguaiaretic acid (NDGA), flavonoids, lignans, triterpenes, and polyphenols, which contribute antimicrobial, antioxidant, and anti-inflammatory properties.
Dosage & Preparations
- Infusion: 1-2 g dried leaf per 150 mL water, taken 1-3 times daily
- Tincture: 1:5 in 30-50% ethanol, 2-5 mL 1-3 times daily
- Topical use for skin infections and inflammation
Safety & Contraindications
Use with caution due to potential liver and kidney toxicity associated with NDGA at high doses. Avoid during pregnancy and lactation due to insufficient safety data. Possible interactions with hepatotoxic medications warrant monitoring. Topical application is generally safer but may cause irritation in sensitive skin.
Astrological Correspondences
No clearly established planetary or elemental rulers documented.
Selected References
- Herbal Medicine: Biomolecular and Clinical Aspects – Chapter on Larrea tridentata (2014)
- University of Arizona Ethnomedicine Database
- Plants For A Future – Larrea tridentata Monograph
- National Toxicology Program – Toxicological Review of Nordihydroguaiaretic Acid (NDGA) (2010)