大叶相思原产澳大利亚,是多年生常绿乔木。泰国、印度、孟加拉、中非、坦桑尼亚等国均有引种。1961年,广州龙眼洞华南植物园从东南亚引入,1963年以后在广州、肇庆、湛江、惠阳、汕头等地区少数林业科研单位先后引种成功。实践表明:它是热带、南亚热带的干旱瘠薄丘陵荒山荒地 Acacia native to Australia, is a perennial evergreen tree. Thailand, India, Bangladesh, Central Africa, Tanzania and other countries have introduced. In 1961, the South China Botanical Garden of Longyan Cave in Guangzhou was introduced from Southeast Asia. After 1963, a few forestry research units in Guangzhou, Zhaoqing, Zhanjiang, Huiyang and Shantou were successively introduced. Practice shows that: it is a tropical, subtropical arid barren hills and barren hills and wasteland