国槐属于蝶形花科乔木植物,其浑身是宝,是优良的蜜源树种,花可做黄色染料,花果药用。国槐树姿美观,对二氧化硫、氯气、硫化氢及烟尘等抗性较强,深根抗风力强,是良好的绿化树种,常作庭荫树和行道树,且具有一定的经济价值和药用价值。国槐现已成为北京市市树,同时国槐也是陕西省 Sophora japonica belongs to the butterfly flower tree plant, its whole body is treasure, is an excellent source of honey species, flowers can do yellow dye, flower and fruit medicinal. Sophora japonica has a beautiful appearance and strong resistance to sulfur dioxide, chlorine, hydrogen sulfide and soot, and strong resistance to deep roots and strong winds. It is a good afforestation tree and is often used as a shade tree and a pavement tree, and has certain economic value and medicinal properties value. Sophora japonica has now become the city of Beijing, while Sophora japonica is also the province