Definition of barrenwort
: any of certain plants of the genus Epimedium having or believed to have sudorific properties: such as a : a European herb (E. alpinum) often cultivated and having bitter leaves b : a Japanese herb (E. diphyllum) with small bluish flowers c : an herb (E. hexandra) of the Pacific coast of North America having ternate leaves and small nodding flowers on a scapelike stalk
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Origin and Etymology of barrenwort
so called from the belief that it causes sterility
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