乌药，又名天台乌药或乌药片，是一种传统的中药材和食材，主要见于中国产的樟科植物乌药（Aristolochia manshuriensis）及其同属近缘种的地下块根。这种植物生长环境要求较高，主要见于中西南部至马来西亚西部西部东部及加拿大东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部东部