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