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黑荆树又名澳洲金合欢,学名Acaciamearnsii de Wild.,是世界著名的速生、高产、优质的鞣料树种。原产澳洲南部,六十年代初引入云南,目前开远、弥勒、双柏、新平、禄丰、邱北、楚雄、思茅、昭通、华坪、下关等地均有种植。1、形态特征 黑荆树是豆科(Leguminosae)金合欢属(Acacia Willd.)的常绿乔木,高15～18m;小枝具棱脊,被绒毛。偶数二回羽状复叶,有羽片8～20对,每羽片具小叶30～60对,排列紧密,条形,深绿色,长1.5～5mm,宽约
Acaciamearnsii de Wild. Acaciamearnsii de Wild., Is the world famous fast growing, high yield, high quality tanning species. Native to southern Australia, the early 1960s into Yunnan, the current Kaiyuan, Maitreya, Shuangbo, Xinping, Lufeng, Qiu Bei, Chuxiong, Simao, Zhaotong, Huaping, Shimonoseki and other places are planted. 1, Morphological characteristics Black Wattle is Leguminosae Acacia Willd. (Acacia Willd.) Of evergreen trees, high 15 ~ 18m; twigs ridged, to be fuzzy. Even two back feather compound leaves, there are 8 to 20 pairs of pinnules, each leaflets with leaflet 30 to 60 pairs, arranged in close, strip, dark green, length 1.5 ~ 5mm, width