Photos of Persicaria-amphibia-~-water-smartweed

Photos and Characteristics of Wetland Plant Species > This Category

Persicaria amphibia ~ water smartweed



  • OBL

  • Michigan C Value: 6

  • also known as Polygonum amphibium and water knotweed

  • usually a relatively robust plant and at least partly upright

  • sheaths often fuzzy on sides, especially when the plant is terrestrial

  • sheaths may be glabrous when in water

  • sheaths are straight across

  • thick, terminal, rose–colored flower heads

  • usually only one or two flower heads

  • frequently upright in standing water

  • native

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