池杉（Ｔａｘｏｄｉｕｍ ａｓｃｅｎｄｅｎｓ）是杉科、落羽杉属的优良速生树种，具有生长快、材质好、抗性强、树形美等特性及较高的观赏价值。 池杉为古老的第三纪孑遍植物，曾广泛分布于北半球，现仅分布于北美洲东南部的池沼和低湿地。２０世纪初开始引入我国的南京、南通 Taxodium ascendens (Taxodium ascendens) is an excellent fast-growing tree of Taxodiaceae and Taxodium. It has the characteristics of fast growing, good material, strong resistance, beautiful tree shape and high ornamental value. Iii fir ancient Tertiary plants, once widely distributed in the northern hemisphere, is now located in southeastern North America, ponds and low wetlands. Beginning of 20th century, China’s introduction of Nanjing, Nantong