栾树,无患子科栾树属,北自东北南部,南到长江流域及福建,西到甘肃东南部及四川中部均有分布。落叶乔木,春季嫩叶多为红色,入秋叶色变黄,十分美丽,夏季开花,满树金黄,甚为壮观,宜作庭阴树、行道树及园景树,也可用作防护林、水土保持及荒山绿化树种。其木材较脆,易加工,可作板料、家具等, Luan tree, Sapindaceae Koellenko, north from northeast to south, south to the Yangtze River and Fujian, west to southeastern Gansu and central Sichuan are distributed. Deciduous trees, mostly young red leaves in spring, fall into the autumn leaves color is very beautiful, flowering in summer, full of golden trees, is spectacular, should be courty trees, street trees and landscape trees, but also can be used as shelterbelt, Maintain and afforestation tree species. The wood is more brittle, easy to process, can be used as sheet, furniture, etc.,