紫珠属
Multi tool use
紫珠属
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Callicarpa dichotoma
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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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| 演化支： |
菊类植物 Asterids
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| 目： |
唇形目 Lamiales
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| 科： |
唇形科 Lamiaceae
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| 亚科： |
紫珠亞科 Callicarpoideae
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| 属： |
紫珠屬 Callicarpa
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种
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Callicarpa acuminata
美洲紫珠 Callicarpa americana
紫珠 Callicarpa bodinieri
Callicarpa cana
Callicarpa japonica
Callicarpa cathayana
白棠子樹 Callicarpa dichotoma
Callicarpa erioclona
杜虹花 Callicarpa formosana
Callicarpa kwangtungensis
Callicarpa lanata
Callicarpa longifolia
Callicarpa macrophylla
Callicarpa maingayi
Callicarpa mollis
裸花紫珠 Callicarpa nudiflora
Callicarpa pedunculata
Callicarpa pentandra
Callicarpa reevesii
Callicarpa rubella
Callicarpa shikokiana
Callicarpa tomentosa
等。
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紫珠属（学名：Callicarpa）是唇形科中的一个属，其中的植物主要是灌木和小型的树。根据不同的生物学家的定义它有40到150个种。大多数这些种生长在亚洲东部和东南部，其它生长在澳大利亚、北美洲的东南部和中美洲。
形態
紫珠属中生长在温带的种是落叶植物，生长在热带的种是常绿植物。叶简单，生长在茎的两侧，5至25厘米长。花成簇，白色至粉色。果实是浆果，直径2至5毫米，粉色至红紫色，带有一种非常不寻常的金属光泽。叶子落掉后它们在光秃秃的树干上成簇非常明显。浆果可以一直维持到冬天或者旱季，是鸟和其它动物的重要食物。不过动物只有在找不到其它事物时才会吃紫珠属的果实。紫珠属的果实味道非常不好，不适宜人吃。一些鱗翅目动物的幼虫吃紫珠属的果实。
应用
美洲紫珠是一种自然的驱虫剂。其中有四种物质被发现有驱虫效应，包括冰片[1]。它也对传播黄热病、疟疾的蚊子和传播莱姆病的蜱有驱虫效应。美国农业部农业科研局把这个效应申报了专利[2]。
参考资料
^
物种信息. sun.ars-grin.gov. [2008年3月2日]. （原始内容存档于2004年11月10日）.
^ Learning from our elders: Folk Remedy Yields Mosquito-Thwarting Compound. Agricultural Research. 美国农业科研局. 2008年2月6日.
外部链接
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维基共享资源中相关的多媒体资源：紫珠属
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维基物种中的分类信息：紫珠属
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（简体中文）中国数字植物标本馆中的相关内容：紫珠属
植物通[永久失效連結]
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