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楝树,又名苦楝,为楝科楝属落叶乔木,分布于河北、河南、山西、陕西、四川、云南等地。楝树树干通直,冠大荫浓,是良好的绿化材料,可用做行道树和庭荫树。楝树高可达25m,树冠呈伞形,侧枝开展,树皮灰色。叶互生,小叶对生,卵形,椭圆形或披针形,圆锥花序,花色浅紫,核果,黄绿色或淡黄色,近球形,种子椭圆形,红褐色。花期4~5月,果期10~11月。
Melia, also known as Melia, Meliaceae Melia deciduous trees, located in Hebei, Henan, Shanxi, Shaanxi, Sichuan, Yunnan and other places. Neem tree trunk straight, crown shade thick, is a good green material, can be used as street trees and shade trees. Neem tree up to 25m, canopy is umbrella, collateral development, bark gray. Leaves alternate, leaflets opposite, ovate, elliptic or lanceolate, panicles, flowers purple, stone fruit, yellowish green or yellowish, nearly spherical, oval seed, reddish brown. Flowering from April to May, the fruit of 10 to November.