荆树原产澳大利亚,为金合欢属(Acacia)。由于生长块、用途多,目前非洲、美洲、亚洲南部和地中海沿岸广为栽植,列为重要的凝缩类栲胶和能源树种。我国引进的主要是黑荆、银荆、绿荆,最早为台湾省,之后四川、两广、江西、滇、闽、浙等省相继引种试验。近年来,由于市场对栲胶需求量增大,国家每年要从国外进口1.5—2.0万吨以解决国内栲胶之不足,同时,积极开展黑荆栲胶基地林营造。目前为止,种植点北达大巴山南麓,南至 Wattle origin Australia, Acacia (Acacia). Due to the growing blocks, there are many uses that are currently widely planted in Africa, the Americas, southern Asia and the Mediterranean coast, and are classified as important types of condensed gums and energy trees. China introduced the main black Jing, silver Jing, green Jing, the earliest for Taiwan Province, Sichuan, Guangdong, Jiangxi, Yunnan, Fujian, Zhejiang and other provinces have introduced the test. In recent years, due to the increasing demand for gum in the market, the country annually imports 15,000-2,000 tons from abroad to solve the deficiencies in the country. At the same time, it actively develops the black jing gum base. So far, planting point north of Daba Shan south, south