泡桐是我国生长最快速的速生树种之一,成材早,材质好,在适合的生长条件下,加强经营管理,就更能发挥其速生性能。川泡桐适应性强,在荒山丘陵地区自然生长也较快速。主要分布在云南、贵州和湖南西南部,在我省雅安、洪雅、汉源、宅兴、荣经、沐川等县均有生长。垂直分布最高可达2,400米。在沐川县经营所从海拔600—1,000米的地方均有零星生长的野生幼树和大树。 Paulownia is one of the fastest-growing fast-growing tree species in our country. It has the advantages of early growing and good material quality. Under the suitable growth conditions, the management of the tree can enhance its fast-growing performance. Sichuan Paulownia adaptability, natural growth in the hills in the hilly region is also faster. Mainly distributed in Yunnan, Guizhou and southwestern Hunan, Ya’an in our province, Hongya, Hanyuan, Zhaoxing, Rongjing, Muchuan counties have grown. Vertical distribution up to 2,400 meters. Muchuan County operates sporadic saplings and trees growing 600-1,000 meters above sea level.