紫穗槐又叫“紫花槐”,是多年生落叶丛生灌木。原产北美洲,20世纪20年代,作为一种庭园观赏植物传入上海。现已广泛栽植于东北、华北、西北、四川盆地以及长江,淮河流域海拔1000—1600米以下的平原和丘陵山区,在华北地区最为多见。因为紫穗槐有发达的根系,稠密的须根和密生的根 Amorpha fruticosa, also known as “purple Huai”, is perennial deciduous shrubs. Origin North America, 1920s, was introduced as a garden ornamental plant in Shanghai. Now widely planted in the northeast, north, northwest, Sichuan Basin and the Yangtze River, Huaihe River Basin 1000-1600 meters below the plains and hilly areas, the most common in North China. Because Amorpha fruticosa has developed roots, dense fibrous roots and dense roots