Pyrrosia leaf (Shiwei)
Pharmaceutical Name: Folium Pyrrosiae
Botanical Name: 1. Pyrrosia shearei (Bak.) Ching. 2. Pyrrosia petiolosa (Christ) Ching. 3. P. Lingua (Thunb.) Farwell
Common Name: Pyrrosia leaf
Source of Earliest Record: Shennong Bencao Jing
Part Used: The leaves are gathered all year round. They are cleaned, dried in the sun and cut into small pieces.
Natural Properties & Taste: Bitter or sweet and slightly cold
Meridians: Lung and urinary bladder
To promote water metabolism and regulate abnormal urination.
Indications & Combinations : Damp-heat in the urinary bladder manifested as dysuria, painful urination, hot urine, urinary tract stones, blood in the urine, turbid urine, urgency of micturition and frequent urination. Pyrrosia leaf (Shiwei) is used with Talc (Huashi), Lygodium spores (Haijinsha) and Plantain seed (Cheqianzi).
Dosage: 5-10 g