莧科

Multi tool use
莧科
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紫莖牛膝(Achyranthes splendens var. rotundata)
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科学分类 
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界: |
植物界 Plantae
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演化支: |
被子植物 Angiosperms
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演化支: |
真双子叶植物 Eudicots
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目: |
石竹目 Caryophyllales
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科: |
莧科 Amaranthaceae Juss., 1789
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亞科
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莧亞科 Amaranthoideae
甜菜亞科 Betoideae
藜亞科 Chenopodioideae
千日紅亞科 Gomphrenoideae
鹽角草亞科 Salicornioideae
豬毛菜亞科 Salsoloideae
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莧科[註 1](学名:Amaranthaceae)包括160属大约2,400种植物,多为草本或灌木,稀有乔木或藤本[1][2]。
莧科广泛分布在全世界,一般分布在亚热带和热带地区,但也有许多种也分布在温带甚至寒温带地区[1][2]。
2003年的APG II 分类法将藜科合并到苋科中来,两者的唯一区别是苋科花被膜质,藜科附着粉状或皮屑状物;苋科蒴果,藜科胞果[1][2]。
不包括藜科的苋科仅有65属大约900种,大部分生活在热带非洲和北美洲,许多品种可以在盐碱地生长,有的品种是杂草,也有花卉品种。如鸡冠花、千日红和老来少等[1][2]。
苋科植物单叶对生或互生,叶缘有齿,大部分无托叶。
注释
参考文献
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维基共享资源中相关的多媒体资源:莧科
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^ 1.01.11.21.3 林春吉. 台灣的水生與溼地植物 (M). 台北: 綠世界出版社. 2005.
^ 2.02.12.22.3 Kai Müller; Thomas Borsch. Phylogenetics of Amaranthaceae based on matK/trnK sequence data - Evidence from parsimony, likelihood and Bayesian analyses. Annals of the Missouri Botanical Garden: 66–102.
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