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knotweed

[ not-weed ]

noun

  1. any of several knotty-stemmed plants belonging to the genus Polygonum, of the buckwheat family.


knotweed

/ ˈɒˌɾː /

noun

  1. any of several polygonaceous plants of the genus Polygonum, having small flowers and jointed stems
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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yvlog History and Origins

Origin of knotweed1

First recorded in 1570–80; knot 1 + weed 1
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Example Sentences

Examples have not been reviewed.

The Money squad discusses the Chase infinite money TikTok craze, the “founder mode” craze, and the menace of Japanese knotweed.

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And what’s Japanese knotweed, and why is it destroying Elizabeth’s house?

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Dr. Robert C. Venette, a research biologist and director of the Minnesota Invasive Terrestrial Plants and Pests Center, is paying close attention to multiple invasive species, including "several bark beetles, emerald ash borer, spotted lanternfly, hemlock wooly adelgid, oak wilt, Palmer amaranth and Japanese knotweed, among others."

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It was another sign of the cultivating anger, the political knotweed that would soon flourish and ensnare Vaughan Gething.

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Alien species are living things transported around the world by humans into places they wouldn't naturally be, from Japanese knotweed to the fungus that kills ash trees.

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