刺楸(Kalopanx pictum thumbergnakai)系五加科刺楸属,为东北速生的珍贵阔叶树种。在东北分布于辽宁省和吉林的次生林区,在华北、华中、华南、华东、西南山地均有分布,在朝鲜、日本亦有生长。该树种木材质细、文理美观、硬度适中,可做高挡家具和乐器等,因此深受群众欢迎。过去对该树种缺乏系统的研究,对刺楸资源管理不善,加之群众 Katsura (Kalopanx pictum thumbergnakai) Department of five plus genus Catalpa genus, Northeast rapid growing precious broad-leaved species. The secondary forest areas distributed in Liaoning Province and Jilin Province in the northeast are distributed in North China, Central China, South China, East China and Southwest China, and also grow in North Korea and Japan. The tree species of fine wood, art and beauty, moderate hardness, can do high-block furniture and musical instruments, so popular among the masses. In the past, there was a lack of systematic research on the tree species, poor management of the resources of Catalpa bungei, together with the masses