Botanical Overview
Dioscorea villosa, commonly known as Wild yam, is a member of the Dioscoreaceae family. It is native to Eastern North America. The parts used medicinally include the rhizome and root. Wild yam is traditionally used in Western herbal medicine for its spasmolytic and anti-inflammatory properties.
Energetics
It possesses a neutral temperature and moisture quality, with bitter and sweet tastes. The tonic effect is primarily relaxing, influencing the flow of qi.
Primary Actions
- Antispasmodic
- Anti-inflammatory
- Emmenagogue
- Diaphoretic
Indications
Western
- Menstrual cramps
- Muscle spasms
- Rheumatic and arthritic pain
- Menopausal symptoms
- Premenstrual syndrome
- Digestive discomfort
Syndromes
- Spasmodic pain
- Dysmenorrhea
- Inflammatory conditions
- Menstrual irregularities
TCM
No traditional indications documented.
Ayurveda
No traditional indications documented.
Unani
No traditional indications documented.
Constituents & Mechanisms
The key phytochemical constituents include diosgenin, steroidal saponins, flavonoids, and tannins, which contribute to its antispasmodic and anti-inflammatory effects.
Dosage & Preparations
- Tincture 1:5 45% ethanol, 2-5 mL 2-3 times daily
- Decoction of dried root 2-4 g, 1-3 times daily
Safety & Contraindications
Wild yam is generally considered safe when used appropriately but should be used with caution during pregnancy due to uterine stimulant potential and avoided in hormone-sensitive conditions. Safety data during lactation is insufficient. Potential interactions include additive effects with hormonal therapies and antispasmodics.
Astrological Correspondences
No reliably sourced planetary or elemental rulers identified.
Selected References
- Medicinal Plants of the USA, Ken Fern, 2019
- Herbal Medicine: Biomolecular and Clinical Aspects, Varro E. Tyler, 2003
- Commission E Monographs, MedlinePlus