原产地为湖北省恩施地区,建始县和巴东县邻近的几个公社,比较集中的产区是龙潭坪、绿葱坡、野三关等公社,早在1880年比利时传教士在教堂附近引种红三叶,作为马的饲草,故有洋马草之称,因红三叶能适应当地自然条件,并表现优质高产,逐渐为附近群众所栽培,并广为传播(包括农民引种和动物粪便散布的种籽)。除人工培栽者外,还有大量野 Origin of Hubei Province, Enshi, Jianshi County and Badong County, adjacent to several communes, the more concentrated producing areas are Longtan Ping, green onion slope, Yeosan Guan and other communes, as early as 1880 Belgian missionaries near the church introduced Red clover, as the horse’s forage, it is known as Yanmai, because the red clover can adapt to the local natural conditions, and the performance of high-quality and high yield, gradually cultivated by the nearby masses and widely disseminated (including the introduction of peasants and animals Stool scattered seeds). In addition to artificial cultivation, there are a lot of wild