泡桐系玄参科(Scrophulariaceae)泡桐属(Paulownia)树木,是我国著名的速生用材树种之一。具有生长快、繁殖容易、材质好、用途多等特点。是用材、园林绿化、桐粮间作的优良树种和重要的药用树种。泡桐原产我国,种类多,分布广,栽培历史悠久,在全国23个省、市、自治区有分布,而主要集中在长江中下游流域。辽宁是我国泡桐栽培的北缘,辽南(指熊岳城以南 Paulownia Department Scrophulariaceae Paulownia (Paulownia) trees, is one of China’s famous species of fast-growing timber. With fast growth, breeding easy, good material, use and more features. Is the timber, landscaping, Tong grain intercropping fine tree species and important medicinal species. Paulownia origin of our country, many kinds, widely distributed, cultivation has a long history, in the country 23 provinces, municipalities and autonomous regions have distribution, but mainly concentrated in the Yangtze River basin. Liaoning is the northern edge of the cultivation of Paulownia in our country, south of Liaoning (referring to Yue Yuecheng south