Herba Pyrrosiae Pyrrosia Leaves
Materia Medica Data
- Temperature
- Slightly Cold
- Nature & Flavour
- Bitter, Sweet, Slightly Cold
- Channels Entered
- BL, LU
- Latin (pharmaceutical)
- Herba Pyrrosiae
- Chinese
- 石苇
- Tone Marks
- shí wĕi
- Translation
- Stone Reed
Chinese Herb Actions
- Clears Damp-Heat, Promotes Urination, Reduces Edema For burning, painful urination with or without stones, blood or dribbling due to damp-heat. Also for reducing edema.
- Stops Bleeding For trauma, hematemesis, epistaxis, hypermenorrhea, and bloody urine.
- Stops Cough, Expels Phlegm, and Clears the Lungs For cough and wheezing due to Lung heat with phlegm
Chinese Herb Dosage
- 5-10 grams and 15-30 grams in severe cases in decoction 12
- 6-9 grams in decoction 13
Chinese Herb Contraindications & Cautions
- None Noted
Chinese Herb Toxicity & Overdose
- None Noted
Herb-Drug Interactions
- None Noted
Western / Biomedical Research
Chinese Herb Clinical Studies & Research
Provided as research context — a summary of published biomedical study, not a therapeutic or medical claim.
- Chemical constituents of Pyrrosia petiolosa.
Yang C, Shi JG, Mo SY, Yang YC. - J Asian Nat Prod Res. 2003 Jun;5(2):143-50. - Zhao YH. Related Articles, Analysis of the therapeutic effect of 1,148 cases of bacillary dysentery treated with Pyrrosia sheareri.
Zhong Xi Yi Jie He Za Zhi. 1985 Sep;5(9):530-3, 514. Chinese. - Zheng M. Related Articles, Experimental study of 472 herbs with antiviral action against the herpes simplex virus.
Zhong Xi Yi Jie He Za Zhi. 1990 Jan;10(1):39-41, 6. Chinese. - When Shi Wei was combined in an herbal formula it reduced sputum in 56% of cases with chronic tracheitis.
Shang Hai Ren Min Chu Ban She, 1973.
Chinese Herb Notes
- This herb goes to the Lungs and Bladder allowing it to clear damp and heat from the upper and lower parts of the body.
Sources & References
Compiled and edited by Thomas Dehli, Founder & Editor, Sacred Lotus
The information here is referenced from numerous sources — teachers, practitioners, class notes from Five Branches University, the books below, and the published research literature, with citations given as resolvable PubMed identifiers. Where sources disagree, I have flagged the discrepancies directly. If facts couldn't be verified, I have left them out. How we source our content.
Reference information for students and practitioners — not medical advice. Consult a qualified practitioner. Terms of use.
Chinese Herbs Books & References
https://amzn.to/3WfB3DK
https://amzn.to/3DR1VUh
https://amzn.to/42aMz73
https://amzn.to/3PuD4bt