柔枝槐,又名山豆根,为豆科槐属多年生宿根花卉。分布于江苏、江西等省区,近年在盱眙都梁山也有发现。生长在山腰坡地乱石中,对土壤要求不严,pH在6—8.3之间均可正常生长。笔者于1986年移植花圃,生长茂盛。初春2月,柔枝槐即凌霜而发,丛叶似蚕豆,故有人称之山蚕豆。株高50—90厘米,通体被灰色茸毛,多分枝,较为柔软。单数羽状复叶互生,小叶11—21片,卵状长椭圆形,叶长1—2.5厘米,宽0.5—1.5厘 Sophora japonica, also known as Shandougan, Perennial Sophora japonica Perennial flower. Located in Jiangsu, Jiangxi and other provinces and autonomous regions, in recent years, Liangshan are also found. Growth in rocky hillside rocks, the strict requirements of the soil, pH can be between 6-8.3 normal growth. I transplanted flower beds in 1986, growing flourish. Early spring in February, soft sticks Huai Ling Ling cream hair, leaves like broad beans, so some people call the mountain broad beans. Plant height 50-90 cm, the body is gray hair, multi-branched, more soft. Single pinnate alternate leaves, 11-21 leaflets, ovate oblong, leaf length 1-2.5 cm, width 0.5-1.5 cm