arctium : Idioms & Phrases
arctium lappa
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noun burdock having heart-shaped leaves found in open woodland, hedgerows and rough grassland of Europe (except extreme N) and Asia Minor; sometimes cultivated for medicinal and culinary use
great burdock; greater burdock; cocklebur.
WordNet
arctium minus
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noun a plant that is ubiquitous in all but very acid soil; found in most of Europe and North Africa
common burdock; lesser burdock.
WordNet
genus arctium
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noun burdock
Arctium.