落羽杉(Taxodium distichum(L.)Rich.)属杉科。原产北美,是重要的商用木材。据报道,其材质优良,广泛用于建筑构件、桥梁、桩木、车辆、船舶用材,以及电杆、枕木等。落羽杉在我国早有引种,解放后,落羽杉的群众性育苗和造林得到迅速发展。根据多年引种的情况来看,落羽杉性喜水湿和肥沃土地,抗风,病虫害少,适应性强;且生长较快,干形直,树形美观(图1),是优良的护堤、防风以及城乡绿化树种。目前,它在我国东南沿海各省(市)与水杉(Metasequoia glyptostrobo- Taxodium distichum (L.) Rich. Native North America, is an important commercial timber. It is reported that its excellent material, widely used in building components, bridges, pile wood, vehicles, ship timber, and poles, sleepers and so on. Taxodium distichum has long been introduced in our country, after liberation, mass nurturing and afforestation of Taxodium have developed rapidly. According to years of introduction of the situation, the Taxodium distichii hi wet and fertile land, wind, pests and diseases less, adaptable; and grow fast, dry straight, beautiful tree (Figure 1), is an excellent berm , Windbreak and urban and rural afforestation species. At present, it is in the southeastern China provinces (cities) and Metasequoia glyptostrobo-