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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

/ ˈnɒtˌwiːd /

noun

  1. any of several polygonaceous plants of the genus Polygonum, having small flowers and jointed stems


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Word History and Origins

Origin of knotweed1

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

There are many edible invasive plants and weeds out there, like knotweed and some species of pokeweed.

Japanese knotweed, for all its invasive attributes, was an ornamental plant for the Victorians.

It is Polygonum Virginicum, and so far without a common name, unless Virginia knotweed be satisfactory.

Those of us who are gardeners will certainly agree that “unfortraedde” is the right name for knotweed.

A common roadside flower is the Pink Knotweed, with its branching stems and groups of bright pink flowers.

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