叶脉曲张病毒属（Varicosavirus），是病毒的一属。代表种是莴苣大叶脉联合病毒(Lettuce big-vein associated virus)。
名称来源：“Vari”从拉丁语静脉曲张(varix)，异常的扩张(abnormal dilatation)或一条静脉或者动脉和指类型种类的主要症状(symptom征候,征兆)的扩大。
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