Pharmaceutical name: 英文藥名﹕	Herba Lycopi
Latin botanical name: 拉丁文學名﹕	Lycopus lucidus Turcz. var. hirtus Regel 毛葉地瓜兒苗 Lycopus Lucidus   Turcz.  Var. taiwanensis Hayata; 台灣地瓜兒苗 Lycopus  parviflorus Maxim.小花地瓜兒苗 Lycopus Maackianus（Maxim.）  Mak. 狭葉地瓜兒苗 Lycopus Coreanus  Levl．朝鲜地瓜兒苗 Lycopus europaeus  L. 歐地瓜兒苗 (in Sinkiang) Eupatorium  chinense  L. 華澤蘭 (hua ze lan, incorrectly used as ze lan. It is a completely difference herb with different medical function) Eupatorium  Japonicum Thunb 山蘭 (shan lan, incorrectly used as ze lan. It is a completely difference herb with different medical function) Eupatorium fortunei  Turcz. 佩 蘭 (pei lan, incorrectly used as ze lan. It is a completely difference herb with different medical function)
Pron. in Japanese: 日語發音﹕	takuran
Pron. in Korean: 韓語發音﹕	t'aekuan
Pron. in Cantonese: 粵音﹕	chak lan
Other Names: 別名﹕	ze lan ye 澤蘭葉， mao ye di yi 毛葉地笋， di yi 地笋， gan lu yang甘露秧， di gua er miao 地瓜兒苗﹐ shui xiang 水香﹐ feng yao 風藥﹐ hu lan 虎蘭﹐ hai er ju 孩兒菊﹐ hu pu 虎蒲。
Common Name: 英文名﹕	bugleweed
Distribution: 產地﹕	Lycopus lucidus Turcz. var. hirtus Regel: liaoning, Jilin, Heilongjiang, hebei, shanxi, Neimenggu,Shaanxi, Gansu, Hubei, Hunan, Guangdong, Guangxi, Zhejiang,Anhui, Fujian,Jiangxi, Shandong, Taiwan, Yunnan,Guizhou, Sichuan provinces of China. 分佈於遼寧﹐吉林﹐黑龍江﹐河北﹐山西﹐内蒙古，陕西﹐甘肅﹐湖北﹐湖南﹐廣東﹐廣西﹐浙江﹐安徽﹐福建﹐江西﹐山東﹐台灣﹐雲南﹐貴州﹐四川等省區。
Properties (characteristics)﹕ 性味﹕	bitter, sweet, acrid, slightly warm. 味苦﹐甘 ﹐辛，性微溫。
Channels (meridians) entered:   歸經﹕	liver, spleen. 入肝﹐脾二經。
Medical functions: 藥理﹕	promotes menses, diuretics, inhibits pain. 通經，利尿，鎮痛。
Actions & Indications: 主治﹕	Actions & Indications: For menostasis due to blood stasis. scanty flow in menses, edema after birth, swelling from impact injuries, pain and swelling in joints,  injuries, edema due to blood stasis, swelling from boils, lochia after giving birth. 主治﹕ 血淤經閉，月經稀發，經痛，產後浮腫，跌打瘀腫，關節扭傷腫痛，鬱血性水腫， 癰腫，產後惡露。
Chemical ingredients: 化學成份﹕	1. hexanal, [cis-3-hexen-1-ol], 9trans-2-hexen-1-ol], [trans-2-hexen-1-ol], -1[hexanol], [alpha-thujene], [alpha-pinene], [sabinene], [myrcene], [trans-pinocarveol],  [myrtenol], [alpha-cubebin],  [beta-elemene],[{E}-geranylacetone], [beta-selinene], [nerolidol]. 2. [stachyose], [lycopose].(1) 3. [oleanolic acid], [betulinic acid], [3-epimaslinic acid], [euscaphic acid] (2), [2-alpha-hydroxyursolic acid], [tormentic acid]{3} 4. [acacin, linarin].
Dosage: 用量﹕	10 to 20 g. Concentrated extract: 0.5 to 2 g. 10～20克；濃縮中藥：0.5～2克
Samples of formulae :處方舉例﹕	For promoting ovulation: Name of Formula: Pai Luan Fang
Modern Research: 現代研究﹕	ze lan can be used to mitigate the damage of the liver caused by carbon tetrachloride, according to researchers Xie Renming et al at Shaanxi Traditional Chinese Medical School of Shaanxi TCM Research Institute. Ze lan can lower the SGOT (AST) and SGPT (ALT) of laboratory mice that were given carbon tetrachloride for 3 months and resulted cirrhosis of the liver.
Cautions: 注意﹕	Use with caution in cases of pregnancies or in cases without blood stasis . 懷孕期間﹐或無 血淤 者小心應用。 The use ze lan (Eupatorium fortunei Turcz.) and pei lan (Eupatorium japonicum Thunb) are often intermixed in the provinces of Hunan, Fujian, Guangdong, Guizhou.. These are different herbs with different applications. Should not use as substitutes for each other. 澤蘭 (Eupatorium fortunei Turcz.) 與佩蘭 (Eupatorium japonicum Thunb)存在混用情况，在湖南﹐福建﹐廣東，贵州等省部分地區，以菊科草本植物佩蘭 Eupatorium fortunei Turcz.或澤蘭(山蘭)E. japonicum Thunb. 作澤蘭用，二藥功能主治不同，不宜混用。菊科佩蘭與澤蘭最易識別之 處为草质茎圆柱形。