| Pharmaceutical name: 英文药名： | Folium Pyrrosiae |
| Latin botanical name: 拉丁學名： | Pyrrosia lingua (Thunb.) Farw. and Pyrrosia sheareri (Bak.) Ching (da shi wei) Pyrrosia petiolosa (Christ) Ching, (xiao shi wei) |
| Pron. in Japanese: 日語發音： | sekii |
| Pron. in Korean: 韓語發音： | sokwi |
| Pron. in Cantonese: 粤語發音： | sek wai |
| Common Name: 英文名﹕ | pyrrosia leaves |
| Distribution: 分佈： | Pyrrosia lingua （Thunb.）Farwel (shi wei 石韋) :South of Yangtze River of China; Pyrrosia sheareri Bak( shan shi wei 山石韋 ): jiang Xi, Hun nan, Gui Zhou, Si Chuan; Pyrrosia petiolosa (xiao shi wei 小石韋): hei Long Jiang, Liao ning, He Bei, Shan Dong, Zhei Jiang, jiang Su, Jiang Xi, Si Chuan, Hu Bei |
| Properties (characteristics)﹕ 性味﹕ | bitter, sweet, slightly cold 苦﹐ 甜﹐ 微寒。 |
| Channels (meridians) entered: 歸經﹕ | bladder and lung 膀胱﹐肺。 |
| Actions & Applications:歸經﹕ | 清濕熱 ﹐ 用于小便刺痛﹐淋病﹐咳嗽﹐卻痰。 clears damp-heat and unblocks painful urinary dysfunction, gonorrhea, cough and for expelling phlegm |
| Chemical ingredients: 化學成份﹕ | saponins, tanin, anthraquinones, beta-sitosterol, mangiferin, isomangiferin, trifolin, kaempferol, diploptent, fumaric acid, allomuleic acid, boletic acid, caffeic acid, 2-butenedioic acid, chlorogenic acid, fructose, glucose, resin and cane sugar. |
| Modern usage: | 1. chronic bronchitis 2. asthma 3. acute inflammation of glomerulus of the kidneys 4. ureter stones 5. chyluria 6 anemia caused by benzene toxicity. |
| Cautions: 注意﹕ | Use cautions in absence of damp-heat 如無濕熱 須小心應用 |
| Side effects: | Might create anxiety, feeling of hunger, enlarged volume of urine and dizziness. Symptoms subside after stopping using the herb. |
