紫穗槐属多年生豆科灌木，原产北美洲，在我国大部分地区广泛栽植。紫穗槐没有馥香艳丽的花，也没有馨实适口的果，但其独具的生态效益和使用价值却越来越受到人们的青睐。紫穗槐的根系十分发达．单株根幅可达２ｍ左右根深可达３０ｃｍ左右，是护堤固坡的优良树种。紫穗槐极耐 Amorpha is a perennial mesquite shrub, native to North America, widely planted in most parts of our country. Amorpha fruticosa flowers are not fragrant, there is no sweet syrup fruit, but its unique ecological value and use value has been more and more people of all ages. Amorpha root is very developed. Roots of up to about 2m root depth up to about 30cm, is the embankment solid slope of the fine tree species. Amorpha fruticosa extremely resistant