银合欢适应性强,生长迅速,用途广泛,因而被誉为“奇迹树”。菲律宾约在十六世纪初已经栽培银合欢,是世界上最早从中美洲引种的国家。其后印度尼西亚、夏威夷、毛里求斯岛、澳大利亚北部亦引种栽培。我国何时引种银合欢,尚未查明,但最少有60—70年的历史。广东的广州、雷州半岛、海南岛均有老龄的银合欢,而且不少地区已逸为野生状态。广西的桂林、南宁, Acacia adaptability, rapid growth, wide range of uses, which has been hailed as “miracle tree.” The Philippines has cultivated Albizia circa the first sixteenth century and is the first country in the world to have introduced it from Central America. Subsequently, Indonesia, Hawaii, Mauritius Island, northern Australia also introduced cultivation. When China introduced silver acacia, yet to identify, but at least 60-70 years of history. Guangdong, Guangzhou, Leizhou Peninsula, Hainan Island are aging Acacia, and many areas have Yi as a wild state. Guangxi Guilin, Nanning,