椿树（Cedrela）

原产于中国东北部、中部和台湾。生长在气候温和的地带。这种树木生长迅速，可以在25年内达到15米的高度。此物种寿命较短，极少生存超过50年。本种在石灰岩地区生长良好，可作石灰岩地区的造林树种，也可作园林风景树和行道树。木材黄白色，可制作农具车辆等；叶可饲椿蚕（天蚕）；树皮、根皮、果实均可入药，有清热利湿、收敛止痢等效。

Nativeto northeastern China, central and Taiwan. Growth in the area. The temperateclimate trees grow fast, can reach a height of 15 meters in 25 years. This kindof short life, rarely survive more than 50 years. This species in limestonearea of growth is good, can be made of limestone areas of Lin Shuzhong, butalso can be used for landscape trees and trees. The wood is yellowish white,can be made of farm vehicles; leaf feeding Chuncan (Cecropia); bark, root bark,fruit can be used as medicine, with heat and dampness, convergenceantidiarrheal equivalent.