• WordNet 3.6
    • n barrenwort slow-growing creeping plant with semi-evergreen leaves on erect wiry stems; used as ground cover
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Webster's Revised Unabridged Dictionary
    • n Barrenwort (Bot) An herbaceous plant of the Barberry family (Epimedium alpinum), having leaves that are bitter and said to be sudorific.
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Century Dictionary and Cyclopedia
    • n barrenwort The common name of Epimedium, a genus of low herbaceous plants, natural order Berberidaceæ, having creeping roots and many stalks, each of which has three flowers. The only European species is E. alpinum. Species occur also in central Asia and Japan.
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In literature:

There is no more exquisite plant in our coast woods than the American barrenwort.
"The Wild Flowers of California: Their Names, Haunts, and Habits" by Mary Elizabeth Parsons