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Pronunciation varies by accent · noun
Iva annua, annual marsh elder, a North American herbaceous annual plant in the sunflower family..
Use sumpweed when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Sumpweed means Iva annua, annual marsh elder, a North American herbaceous annual plant in the sunflower family..
Common synonyms include pelocote, rough marsh elder.
The opposite depends on the specific sense.
Use sumpweed where its definition matches the intended context.
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