“Smartweed” in Japanese
Short answer
Smartweed in Japanese is “蓼” (tade). Full meaning: knotweed (Polygonaceae), jointweed, smartweed; water pepper (Persicaria hydropiper).
Other ways to say “Smartweed” in Japanese
タデ
tade knotweed (Polygonaceae), jointweed, smartweed; water pepper (Persicaria hydropiper)
たで
tade knotweed (Polygonaceae), jointweed, smartweed; water pepper (Persicaria hydropiper)
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