虎杖有来历——百花争妍（四三三）

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    虎杖，蓼科多年生灌木状草本植物，高达1米以上，根茎横卧地下，木质黄褐色，茎直立，圆柱形丛生，中空，散生紫红色斑点，叶互生，花单性、雌雄异株，成腋生圆锥花序。虎杖是一味传统中药，具有利湿退黄、清热解毒、散瘀止痛、止咳化痰的功效。

    虎杖名称的来历据说是因为孙思邈用它为老虎治腿伤的缘故，一天孙思邈采药时遇到一虎在岩石上有气无力地呻吟，原来是虎腿受伤又红又肿，孙思邈从药囊中掏药捣碎，敷在虎腿上，又将这药喂老虎吃下，几天后老虎腿病痊愈后竟成了孙思邈的坐骑。那药因为治好了老虎的腿疾，大家便称它为虎杖，意思是仗着它治好了老虎的腿病。

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