| Pharmaceutical name: | Fructus Polygoni Orientalis |
| Latin botanical name: | Polygonum Orientalis L. Polygonum lapathifolium L. var. salicifolium Sibth. (Also being used)。 |
| Common Name: | Prince's-feather Fruit |
| Other Chinese Names﹕ | 葒草、東方蓼、大蓼子、天蓼、狗尾巴花、 狼尾巴花 |
| Distribution: | almost all parts of China 分布幾及全國各省區 |
| Properties (characteristics) | salty, cool 鹹，涼 |
Channels (meridians) entered: 歸經﹕ | liver, stomach 肝﹐胃。 |
| Actions & Indications: | Actions & Indications: To rid of blood stasis and dampness; mass in the abdomen, goiter with pain, epigastric pain and distension due to indigestion. Relieve pain by removing stagnancy of blood. 活血利水﹐去血滯﹐化水濕 。胃痛，腹脹， 脾腫大，肝硬化腹水，頸淋巴結結核。 |
| Medical Function: | 1. improves blood flow of lab guinea pigs; dilates coronary arteries, reduces oxygen consumption; prolong the life of oxygen deprived mice. 2. antihistamine spastic effect on bronchial tubes, dilutes their smooth muscles, improves airflow to the lungs. 3. shows diuretic effect on rats 水紅花子 1. 能增加豚鼠心臟的冠脈流量，有擴張冠 脈的作用；能延長小鼠缺氧的存活時間， 並使氧耗減慢。 2. 對組織胺引起的支氣管痙攣有拮抗作用， 能擴張支氣管平滑肌，改善肺部通氣。 3. 對大鼠有明顯的利尿作用。 |
| Chemical Ingredients: | Contains flavonoids. Seeds contain about 40% of starch. 含黃 酮 類化合物。種子含澱粉約40%。 |
| Dosage: | 3～9 g |
| Samples of formulae: | Sheng Jiang San Adjusted for cirrhosis of liver |
| Modern Application﹕ | In recent years it has been use clinically in different kinds of tumors, usually used with xiao ku cao, hai zhao, kun bu etc. Iin tumors of digestive tract, usually use with ba yue za, mei kuai hua, shi jian chuan etc. 本品近年來在臨床上也有應用於各種腫瘤。 用於甲狀腺腫瘤，常與夏枯草、海藻、昆布、 等藥配合應用；用於消化道腫瘤，常與八月扎、 玫瑰花、石見穿等藥配合應用。 |
| Cautions: | |
