“Japanese knotweed” in Japanese
Short answer
Japanese knotweed in Japanese is “虎杖” (itadori). Full meaning: Japanese knotweed (Reynoutria japonica), flowering bamboo.
Other ways to say “Japanese knotweed” in Japanese
イタドリ
itadori Japanese knotweed (Reynoutria japonica), flowering bamboo
いたどり
itadori Japanese knotweed (Reynoutria japonica), flowering bamboo
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