合欢别名绒花树、夜台树、马缨花,为含羞草科合欢属植物。原产我国黄河、长江及珠江流域各省区,现各地普遍栽培。合欢喜光,适应性强,且有一定的耐寒能力。对土壤适应强,喜生于湿润、排水良好的肥沃土壤,也耐瘠薄、干旱气候和沙质土壤。耐盐碱,但不耐涝。但在地势向阳、肥沃湿润、排水良好的 Acacia alias velvet tree, night tree, Lantana flowers, mimosa Acacia. Originating in China’s Yellow River, the Yangtze River and the Pearl River Basin provinces and autonomous regions, are now widely cultivated around. Acacia happy, adaptable, and have some cold ability. Strong adaptation to the soil, hi born in humid, well-drained fertile soil, also resistant to infertile, arid climate and sandy soil. Saline resistance, but not resistant to waterlogging. But in the sunny, fertile, well drained