Last Updated：2025/11/20

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

A large, herbaceous perennial plant, Fallopia japonica, native to Asia; it is a highly invasive colonizer outside of its native territory.

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Japanese knotweed

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Source Word

Japanese knotweed

uncountable

Japanese Meaning

アジア原産の大型多年生草本植物で、学名はFallopia japonica。外来地域では非常に進出力が高く、侵略的な性質を示す。

What is this buttons?

Japanese knotweed has spread along the riverbank, outcompeting native plants and damaging foundations.

Google Translation / DeepL Translation

オオイタドリ（Fallopia japonica）は川沿いに広がり、在来植物を駆逐して建物の基礎を損なっています。

Sense（1）

"We got into this because we were looking at invasive species at the roadside, such as Japanese knotweed. A lot of rail embankments have been solidified by knotweed because the roots are so strong.

Google Translation / DeepL Translation

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