Pharmaceutical name:

英文药名：

 Folium Pyrrosiae

Biological name:

學名：

Pyrrosia lingua (Thunb.) Farw.

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：

 sek6 wai5

Common Name:

英文名﹕

 pyrrosia leaves

Other Names:

別名：

sshi shu 石樜，shi pi 石皮，shi wei 石韋，jin xing cao 金星草，shi lan 石蘭，sheng che long 生扯攏，hong ni jian cao 虹霓劍草，shi jian 石劍，tan jian 潭劍，jin tang chi 金湯匙，shi bie liu 石背柳。
 

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, Zhe Jiang, jiang Su, Jiang Xi, Si Chuan,  Hu Bei

石韋：長江以南。

山石韋﹕江西，湖南，贵州，四川。

小石韋：黑龍江，遼寧，河北，山東，浙江，江蘇，江西，四川，湖北。

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﹕

clears damp-heat   and unblocks painful urinary dysfunction, gonorrhea, cough and for expelling phlegm

清濕 熱 ﹐ 用于小便刺痛﹐淋病﹐咳嗽﹐卻痰。

Dosage:

用量：

6 to 12 g.

6~12克。

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:

現代應用：

 1. chronic bronchitis 2. asthma 3. acute inflammation of glomerulus of the kidneys 4. ureter stones 5. chyluria 6 anemia caused by benzene toxicity.

慢性支氣管炎，哮喘，急性腎小球炎，輸尿管結石，乳糜尿， 苯中毒所引起之貧血。
 

Cautions:

注意﹕

 Use cautions in absence of damp-heat  

 如無濕 熱 須小心應用

Side effects:

副作用：

Might create anxiety, feeling of hunger, enlarged volume of urine and dizziness. Symptoms subside after stopping using the herb.

焦慮， 飢餓感，尿量增多，眩晕。停药後症狀消失。