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

Word History and Origins

Origin of knotweed¹

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

Example Sentences

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

From Popular-Science

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

From The Daily Beast

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg