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noun:- A form of knotweed, the water pepper, Polygonum hydropiper
- A species (Polygonum Hydropiper) of knotweed with acrid vegetation; liquid pepper; smartweed.
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- Definition for "hydropiper"
- A form of knotweed, the water pepper, Polygonum…
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- Sentence for "hydropiper"
- Polygonum hydropiper is a widespread native…
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- Synonym for "hydropiper"
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