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Denshi Jisho — Online Japanese dictionary

itadori Japanese knotweed (Fallopia japonica); Japanese fleeceflower; Mexican bamboo; Polygonum cuspidatum; Reynoutria japonica
Noun, Usually written using kana alone 
虎杖 itadori Japanese knotweed (Fallopia japonica); Japanese fleeceflower; Mexican bamboo; Polygonum cuspidatum; Reynoutria japonica
Noun, Usually written using kana alone 

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