Source Pyrrosia leaves are the leaves of Pyrrosia lingua (Thunb.) Farwell, P sheareri (Bak.) Ching, and P petfolosa (Christ) Ching, (Fam. Polypodiaceae.)
Producing Areas Guangdong, Zhejiang, Jiangsu, Hubei, Hunan and Hebei, etc.
Properties Sweet, Bitter, Slightly Cold
Channels Lung, Bladder
- Promotes diuresis and relieves urinary stranguria
For stranguria of heat type and caused by urinary stone, and edema.
- Clears away lung-heat, eliminates phlegm, relieves cough and asthma
For cough due to lung-heat (P. lingua and P. petiolosa), and bronchial asthma (P. petiolosa).
Cools the blood and stops bleeding
- For hemoptysis and hematuria. Also used for acute and chronic dysentery as well as leukopenia.
Usage and Dosage
6–12 g is used in decoction for oral use.
Keep in a dry place and protect from mould and dust.
Use with caution for person with blood deficiency and wind syndrome.
Description of Quality Herb
The good one is thick and complete.
Identifying Shiwei and Haijinsha (Spora Lygodii)
Similarities: Both are cold in nature, can treat stranguria and dysuria.
Differences: Shiwei is for promoting diuresis, treating stranguria, cooling the blood and arresting bleeding. Haijinsha is an important drug used for treating stranguria with pain as well as promoting diuresis.