刺楸是五加科刺楸属(Aralinceae kalopanex)的一种落叶乔木。据有关文献记载,刺楸天然生长在阔叶林内或林缘,在温带阔叶树种中是直径生长较快的树种之一。木材硬度适中,纹理细致,刨光涂漆后花纹美观,浸水数月后耐磨擦,抗腐能力强,是造船和民用良材。由于刺楸生长快,材质好,人为活动频繁的山区,砍伐的多,栽植的少,已渐稀有。 Catalpa bungei is a deciduous tree of the genus Aralinceae kalopanex. According to the literature records, Catalpa bungei naturally grows in broad-leaved forest or forest margin, in temperate broad-leaved species is one of the species with faster diameter growth. Moderate hardness of wood, texture and meticulous, beautiful planing paint after painting, flooding a few months after abrasion, corrosion resistance, is a shipbuilding and civil timber. As Katsura fast growth, good material, frequent human activities in the mountains, cut more, less planted, has become increasingly rare.