大叶相思(Acacia auriculiformis A.cunn.ex Benth)原产澳大利亚,具有萌芽力强,速生和粗生等特点。它的用途很广,除作防风固沙、水土保持、庭院和道路绿化外,它又是紫胶虫的寄主;树根具根瘤菌,有固氮作用;树干及树枝是优良的薪炭材,也是纸浆和培养木耳的原料;叶和嫩枝是优 Acacia auriculiformis A.cunn.ex Benth originated in Australia, with a strong sprout, fast-growing and crude and so on. Its use is very wide, in addition to wind and sand, soil and water conservation, garden and road greening, it is the host of lac insect; roots with rhizobia, nitrogen fixation; trunk and branches are excellent firewood, but also pulp And cultivation of fungus raw materials; leaves and shoots are excellent