Any of several plants of the genus Polygonum, with jointed stems and inconspicuous flowers
knotweed
Definition, parts of speech, synonyms, and sentence examples for knotweed.
Editorial note
For example the Japanese knotweed evolved to grow on the side of volcanoes and survive the occasional lava flow.
Quick take
Any of several plants of the genus Polygonum, with jointed stems and inconspicuous flowers
Meaning at a glance
The clearest senses and uses of knotweed gathered in one view.
Definitions
Core meanings and parts of speech for knotweed.
noun
Any of several plants of the genus Polygonum, with jointed stems and inconspicuous flowers
Example sentences
For example the Japanese knotweed evolved to grow on the side of volcanoes and survive the occasional lava flow.
Glad the Japanese knotweed is on the far edge of the property, on the other side of the driveway.
Japanese knotweed is another ornamental plant that's now everywhere, practically the Terminator of plants when it comes to being unkillable.
Also, knotweed's root system goes down down 4-12 feet so usually removing the roots isn't feasible.
There is nothing good about Japanese knotweed in the US, and everyone who forages it is part of the problem.
It's stupidly irresponsible to encourage people to forage Japanese Knotweed in countries where it is a major threat to existing ecosystems.
They are like bacterial infestations or japanese knotweed, much harder to combat and control.
If I'm not mistaken, you can't sell a house, in the UK, if there's knotweed on the property.
Plant some Japanese knotweed next to it and watch them fight to the death!
I did much the same, but with a hypodermic syringe, on knotweed many years ago.
A typical knotweed patch that I see here in Scotland is in a disturbed urban area, for example by the railway.
On that note, the dried knotweed stalks are fun to burn because their bamboo-like segments are divided by a membrane that seals them shut, so they pop quite satisfyingly.
Quote examples
It's everywhere." I was wondering what the heck he was talking about and then I realized it was Japanese knotweed.
For mason and leaf cutter bees, a box sheltered from rain and filled with Japanese knotweed tubes (don’t grow it yourself, it’s highly invasive) works well for “I like seeing solitary bees around, but want minimum efforts”.
According to this article: > This BBC article from 2010 points out that Japanese knotweed isn't really a problem in its native country - while common, the plant "doesn't rage out of control like it does in the UK, thanks to natural predators that keep it in check".
Proper noun examples
Here in the UK, Japanese Knotweed, Himalayan Balsam, a shrimp from NZ (can't remember the name) and others are a bit of an issue.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use knotweed in a sentence?
For example the Japanese knotweed evolved to grow on the side of volcanoes and survive the occasional lava flow.
What does knotweed mean?
Any of several plants of the genus Polygonum, with jointed stems and inconspicuous flowers
What part of speech is knotweed?
knotweed is commonly used as noun.