: any of several herbs (genus Polygonum) of the buckwheat family with leaves and bracts jointed and having a very short petiole
broadly
: polygonum
Examples of knotweed in a Sentence
Recent Examples on the Web
Japanese knotweed’s young shoots and leaves, which appear in early spring, are edible.
—
Stephen Underwood, Hartford Courant, 29 Apr. 2025
The number and size of known patches of Japanese knotweed growing along the San Geronimo and Lagunitas Creek watersheds are still small.
—Martha Proctor, Mercury News, 1 May 2025
Some of the more popular edible foraging finds in the state include chicken of the woods, fiddleheads, stinging nettle, wild garlic, garlic mustard, Japanese knotweed, Morel mushrooms, huckleberry, elderberry, wild raspberries, blueberries, blackberries and apples.
—Stephen Underwood, Hartford Courant, 29 Apr. 2025
Elsewhere, including the United States and Britain, knotweed is widely considered a vegetable plague.
—Zoë Lescaze, New York Times, 13 Apr. 2025
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Stephen Underwood, Hartford Courant, 29 Apr. 2025
The number and size of known patches of Japanese knotweed growing along the San Geronimo and Lagunitas Creek watersheds are still small.
—Martha Proctor, Mercury News, 1 May 2025
Some of the more popular edible foraging finds in the state include chicken of the woods, fiddleheads, stinging nettle, wild garlic, garlic mustard, Japanese knotweed, Morel mushrooms, huckleberry, elderberry, wild raspberries, blueberries, blackberries and apples.
—Stephen Underwood, Hartford Courant, 29 Apr. 2025
Elsewhere, including the United States and Britain, knotweed is widely considered a vegetable plague.
—Zoë Lescaze, New York Times, 13 Apr. 2025
See All Example Sentences for knotweed
Cite this Entry
“Knotweed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knotweed. Accessed 29 May. 2025.
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