香椿(Cedrela sinensis Tuss)是落叶乔木,高达20m以上。树干通直,树冠庞大、枝叶茂密,木材红褐色、有光泽,纹理直而美,富有弹性,易于加工,有香气,能驱虫,干后不变形,耐水湿,耐腐朽,可供建筑、家俱、车辆、船舶等用。香椿幼芽、嫩叶具有香味,营养丰富,可作蔬菜用。树皮及果入药。据有关资料记载,香椿种子含油率可达38％, 香椿树在华北,陕西、山东、河南、河北、湖南等省栽植较多。我省的辽南、辽西 Toon (Cedrela sinensis Tuss) is a deciduous tree, up to 20m above. Trunk straight, huge crown, dense foliage, wood reddish brown, shiny, straight and beautiful texture, flexible, easy to process, aroma, insecticide, dry deformation, water wet, decay resistant, for construction, Furniture, vehicles, ships and so on. Toon sprouts, young leaves with aroma, nutrient-rich, can be used for vegetables. Bark and fruit into medicine. According to relevant information, the oil content of Toona sinensis seeds can reach 38%. The Chinese Toon trees are planted more in the provinces of North China, Shaanxi, Shandong, Henan, Hebei and Hunan. Liaoning Province, Liaoning Province, western Liaoning