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丝毛相思(Acacia holosericea)别名毛叶相思、毛荆,是近年来新引入而较有潜力的多用途优良树种,从北纬18°41′(海南岛乐东县尖峰)至23°10′(增城县金坑),均生长良好,是荒山造林、营造水土保持林及混交林的速生树种。由于树姿优美,四季常青,枝、叶浓密,冠形开展,叶面紧被银白色丝状毛,花开时淡黄小花缀满枝,又是庭园绿化观赏树种。木材坚实,富有弹性,干后少裂,供家具、农具等用,也是制浆粕原料。一、丝毛相思的生物学特性及其适生条件丝毛相思为含羞草科常绿小乔木,高可达12m,原产澳大利亚。幼苗初出土时具羽状复叶(真叶),长出4—5片后,真叶退化,形成叶状的叶柄,革质,两面密被银白色丝状毛,倒卵形或长椭圆形,长10—15
Acacia holosericea alias Acacia mangium, Bauhinia, is introduced in recent years and more promising multi-purpose tree species, from latitude 18 ° 41 ’(Hainan Island Ledong peak) to 23 ° 10’ ( Zengcheng County, Jin Hang), all grow well, afforestation is barren hills, creating soil and water conservation forests and mixed forest of fast-growing species. As the beautiful tree pose, evergreen, branches, dense leaves, crown-shaped, leaf surface is tight silver-white filamentous hair, bloom yellow flowers decorated with small branches, but also the ornamental tree species garden. Solid wood, flexible, dry crack less, for furniture, farm tools, etc., but also pulp raw materials. First, the biological characteristics of Silk Acacia and its adaptive conditions Silk Acacia mimosa evergreen small tree, up to 12m, native to Australia. Seedlings unearthed pinnately compound leaves (true leaves), grow 4-5, the true leaves degeneration, the formation of leafy petiole, leathery, both sides dense silver-white filamentous hair, obovate or oblong, Length 10-15