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紫穗槐又名棉槐,是豆科紫穗槐属落叶灌木,原产于北美洲,我国东北中部以南,华北、东北以及长江流域都有栽培。紫穗槐既是良好的绿化树种,也是不错的经济树种,目前栽培应用量越来越大,已成为一些地区重点发展的树种之一。紫穗槐高1~4m,枝条直伸,青灰色,幼时有毛,小叶长椭圆形,具有透明的油腺点,幼叶密被毛,老叶毛稀疏,托叶小。花小,蓝紫色,花药黄色,
Amorpha fruticosa, also known as cotton acacia, is a legume Amorpha deciduous shrub, native to North America, south of northeast China, North China, Northeast China and the Yangtze River Basin cultivation. Amorpha fruticosa is not only a good afforestation species, but also a good economic tree species. At present, the cultivation and application of Amorpha fruticosa are becoming more and more important, and it has become one of the tree species that are mainly developed in some areas. Amorpha fruticosa 1 ~ 4m, branches straight stretch, blue-gray, hairy when young, leaflets oblong, with a transparent ointment point, young leaves dense coat, sparse old leaves, stipules small. Flowers small, blue-purple, anthers yellow,