黑荆树又名澳洲金合欢,含羞草科金合欢属,原产澳大利亚,我国从50年代开始引种,福建、浙江、广东、广西、云南、贵州、四川均有栽培。黑荆树系常绿乔木,高13至15米,胸径14至16厘米,花淡黄色,有香味,2至4月开花,翌年5至6月种子成熟。该树适应性强,对温、湿度和土壤条件适应范围广,较耐瘠薄和干旱。最适宜生长的温度是:年平均 Black Wattle, also known as Acacia, Mimosa Acacia, native to Australia, China since the 50’s introduction, Fujian, Zhejiang, Guangdong, Guangxi, Yunnan, Guizhou, Sichuan have cultivated. Acacia tree is evergreen trees, 13 to 15 meters high, diameter 14 to 16 cm, flowers pale yellow, scented, from February to April flowering, May to June the following year the seeds mature. The tree adaptability, temperature, humidity and soil conditions to adapt to a wide range, more resistant to infertility and drought. The most suitable temperature for growth is: annual average