重楼、拳参、草血竭三种药材的外形相近,极易混淆。有些地方将重楼与拳参同时称为草河车或蚤休,相互混用;在陕西个别地区又将草血竭当作拳参人药。为了保证用药安全有效,防止混用,现将重楼、拳参及草血竭的来源、性状、显微特征及理化鉴别等方面比较如下。 Heavy building, boxing ginseng, grass blood and three kinds of medicinal herbs are similar in appearance and are easily confused. In some places, the heavy buildings and the boxing ginseng are also known as grass-heavy vehicles or breaks, and they are used together. In some areas of Shaanxi, grass blood is used as a boxing ginseng medicine. In order to ensure the safe and effective use of drugs and prevent the use of mixed drugs, the sources, characteristics, microscopic characteristics, and physical and chemical identifications of Zhonglou, C. ginseng, and D. sinensis were compared as follows.