
''Decodon verticillatus'', the sole species in the genus ''Decodon'', is a flowering plant in the family Lythraceae. It is commonly known as waterwillow or swamp loosestrife. It is native to wetlands in the eastern half of the United States and Canada.
Similar species: Myrtles, Evening Primroses.
By Matthew Beziat
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Uploaded Dec 31, 2020. Captured Jul 14, 2018 19:57 in 716 Pasadena Rd, Pasadena, MD 21122, USA.