绞股兰,又名七叶胆,遍地生根,是葫芦科多年生落叶草质藤本植物。该属植物有13种,我国有11种,主要分布于长江以南各省及陕西秦岭以南广大地区,山东省淄博农科所,经过三年的引种绞股兰已获得成功。绞股兰全长1～3米,茎粗约1厘米,节间疏生细毛,叶互生,有5小叶组成鸟趾状复叶,有时为7片,小叶片为卵状,有小叶柄:夏季开黄绿色花,9～10月结豌豆般黑色浆果,内有种子2～3粒,长椭圆形,10～11月底落叶休眠。雌雄异株,全草性味甘苦。在日本,民间常将绞股兰作甜味剂使用。灾荒年代还曾作为代食品。他们对绞股兰的研究工作始 Gynostemma, also known as acacia gall, rooting everywhere, is a cucurbitaceous perennial deciduous vine. There are 13 species of this genus, 11 species in China, mainly distributed in the provinces south of the Yangtze River and the vast area south of Qinling Mountains in Shaanxi Province. Zibo Agrochemicals Institute of Shandong Province has succeeded in introducing the genus Gynostemma for three years. Gynostemma total length of 1 to 3 meters, stems ca. 1 cm, internodes sparsely hairy, leaves alternate, there are 5 lobular composition of toe-like compound leaves, and sometimes 7, small leaflets ovate, petiolules: Yellow and green flowers open in summer, September to October knot pea-like black berries, there are 2 to 3 seeds, oblong, 10-11 end leaves fall dormancy. Dioecious, the whole grass sweet and bitter taste. In Japan, people often use Gynostemma as a sweetener. Disaster years also served as a substitute for food. They started their research on Gynostemma