swamp loosestrife (Decodon verticillatus)
Decodon verticillatus is an emergent aquatic perennial native to eastern North America. It has square stems, whorled leaves, and showy pink-purple flowers in late.
Above information is sourced from Wikipedia
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Synonyms
Decodon aquaticus J.F.Gmel.
Lythrum verticillatum L.
Nesaea verticillata Kunth
Taxonomy
- kingdomPlantae
- divisionTracheophyta
- classMagnoliopsida
- orderMyrtales
- familyLythraceae
- genusDecodon
- speciesDecodon verticillatus