Lapacho is a name for the herb Tabebuia impetiginosa, more commonly called pau d'arco and taheebo. It is promoted as useful for treating a variety of health problems and illnesses Pau d'arco is native to the Amazon rainforest and other tropical parts of South and Latin America. Pau d'arco wood is dense and resists rotting. The name "pau d'arco" is the Portuguese word for "bow stick," an appropriate term considering the tree's use by the native South American Indians for making hunting bows.
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