sumpweed

== English == === Etymology === From sump +‎ weed. === Noun === sumpweed (countable and uncountable, plural sumpweeds) Iva annua, annual marsh elder, a North American herbaceous annual plant in the sunflower family. Chorisiva nevadensis ==== Synonyms ==== (Iva annua): pelocote, rough marsh elder ==== Derived terms ==== giant sumpweed (Iva axillaris) Nevada sumpweed (Chorisiva nevadensis) === References === Iva annua Iva on Wikipedia.Wikipedia Iva annua on Wikispecies.Wikispecies Category:Iva annua on Wikimedia Commons.Wikimedia Commons annual marsh elder at USDA Plants database Chorisiva nevadensis Chorisiva on Wikipedia.Wikipedia Chorisiva on Wikispecies.Wikispecies sumpweed at USDA Plants database