Yi Zhi Ren
Alpinia oxyphylla Miq.
β― TCM Properties
Warms the Kidneys and astringes essence to reduce urination; Warms the Middle Burner and Stops Diarrhea; Controls salivation; Secures Essence and Stops Seminal Emission
Western Herbalism Properties
Botanical Description
Alpinia oxyphylla (Yi Zhi Ren, bitter cardamom or sharp-leaf galangal) is a rhizomatous perennial herb in the Zingiberaceae family, typically growing 1 to 3 meters tall from creeping aromatic rhizomes. The pseudo-stems are formed by overlapping leaf sheaths and bear narrow lanceolate to oblong-lanceolate leaves up to 25 centimeters long, with finely pointed tips and entire margins. Inflorescences are terminal racemes, 15 to 20 centimeters in length, bearing white flowers marked with red stripes on the labellum; the calyx is tubular and the corolla tube short. The fruit, the part used medicinally, is an ovoid to fusiform capsule about 1.2 to 2 centimeters long, ripening from green to reddish brown, with a longitudinally ridged pericarp enclosing many small grayish-brown seeds with a pungent, slightly bitter aroma. Native to southern China, particularly Hainan, Guangdong, and Guangxi, where it is cultivated under forest shade.
Dosage
| Form | Amount | Frequency | Duration | Population | Notes |
|---|---|---|---|---|---|
| decoction | 9-30g | Daily | β | β | β |
Cultural & Historical Context
Traditional Chinese Uses
Gan Cao (licorice root) is considered the "harmonizer of the materia medica" β its mild, sweet flavor and neutral nature make it the most widely used herb in Chinese medicine, appearing in the majority of classical and modern formulas. It tonifies Spleen and Lung Qi, moistens the Lungs to stop cough, clears Heat toxin for sore throats, relieves spasmodic pain in the limbs and abdomen, and mitigates the harshness of other herbs. When honey-fried (Zhi Gan Cao), its tonic action is enhanced.
Traditional American Uses
None Documented
Important Disclaimer
This information is for educational purposes only and is not intended to replace professional medical advice. Always consult a qualified healthcare provider before using any herbal remedy, especially if you are pregnant, nursing, or taking medications.