Botanical Overview
Polygala senega, commonly known as Senega root or Seneka snakeroot, belongs to the family Polygalaceae. The medicinal part used is primarily the root. Native to North America, including the USA and Canada, this plant has been traditionally used in Western herbal medicine.
Energetics
Senega root is considered warming and drying in nature, with bitter and acrid tastes. It has an ascending directionality and is tonically relaxing, acting mainly on the qi aspect of the body’s energies.
Primary Actions
- Expectorant
- Demulcent
- Anti-inflammatory
Indications
Western
- Productive cough
- Bronchitis
- Phlegm congestion
- Respiratory congestion
Syndromes
- Upper respiratory tract inflammation
- Bronchial congestion
TCM
No traditional Chinese medicine indications found.
Ayurveda
No known Ayurveda indications.
Unani
No documented Unani uses identified.
Constituents & Mechanisms
Senega root contains saponins (notably triterpenoid saponins), methyl salicylate, polygalacic acid, and xanthones, which contribute to its expectorant and anti-inflammatory effects.
Dosage & Preparations
- Decoction: 1-3 g dried root, 2-3 times daily
- Tincture: 1:5 (40% alcohol) 2-5 mL, 1-3 times daily
- Powder: 1-3 g, 1-3 times daily
Safety & Contraindications
Senega root may induce nausea, vomiting, or gastrointestinal upset at high doses. It is contraindicated in pregnancy due to potential uterine stimulation and should be avoided by those with hypersensitivity to the plant. No well-documented drug interactions exist, but professional supervision is advised for its use.
Astrological Correspondences
No reliably sourced planetary or elemental rulerships were identified for Polygala senega.
Selected References
- Polygala senega L. Monograph, American Botanical Council, 2017
- Polygala senega L., Plants For A Future
- Assessment report on Polygala senega L., radix, EMA HMPC, 2010