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  1. More Images

    Persicaria amphibia

    Persicaria amphibia is a species of flowering plant in the knotweed family known by several common names, including longroot smartweed, water knotweed, water smartweed, and amphibious bistort. It is native to much of North America, Asia, Europe, and parts of Africa, and it grows elsewhere as an introduced species and sometimes a noxious weed. Wikipedia

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  3. Relatively few plants are able to grow under both conditions. One such species is the Water smartweed (Polygonum amphibium), which true to its Latin epithet, is an amphibious plant. It has been quite successful, naturally colonizing much of North America, Europe, and northern Asia and has been introduced to Mexico, South America, and southern ...
  4. minnesotawildflowers.info

    Swamp Smartweed, formerly Polygonum amphibium, is a quite variable species with both terrestrial and aquatic forms, which are treated as separate varieties in some references though they are not recognized in Minnesota at this time. The terrestrial form ...
  5. illinoiswildflowers.info

    Learn about the description, cultivation, range, habitat, and faunal associations of Water Smartweed, a herbaceous perennial plant with terrestrial and aquatic forms. This plant is native to Illinois and has pink to rosy pink flowers and seeds that are important for birds and turtles.
  6. pondinformer.com

    Oct 17, 2024Water smartweed has leaves that are similar to those of peaches. Christian Fischer, CC BY-SA 3.0, via Wikimedia Commons. Also known as water smartweed and several other common names, including long root smartweed, water knotweed, water smartweed, and amphibious bistort, Persicaria amphibia (previously known as Polygonum amphibium) is a species of flowering plant in the knotweed family ...
  7. dnr.state.mn.us

    Swamp smartweed Polygonum amphibium. Common names: Floating Smartweed, water smartweed. Location: Found in quiet waters of lake and ponds in water depths less than 6 feet. Description: This "amphibious" plant can grow as an emergent or as a floating-leaf plant. Leaves are elliptical in shape and alternate along the stem; pink flowers occur in a ...
  8. fortress.wa.gov

    Polygonum amphibium L., water smartweed Polygonum hydropiperoides Michaux, waterpepper: Family: Polygonaceae: Water smartweed and waterpepper are erect to sprawling perennials with willow-like leaves and clusters of small flowers. The stems tend to be reddish and are usually swollen at the base of each leaf stalk, similar to bamboo.
  9. wildflowerjournal.net

    Water smartweed (Persicaria amphibia)/(Polygonum amphibium) is an aquatic perennial rising to the surface from rhizomes or stolons. It is part of the knotweed family and may be called water knotweed, amphibious bistwort, or longroot smartweed. Most of it is found in a variety of aquatic areas, but some variations also grow on land with wet soils.
  10. florafinder.org

    Polygonum amphibium Polygonum cespitosum Polygonum hydropiperoides; Common Name: water smartweed: Oriental lady's thumb: mild water-pepper: Plant: Up to 9½′ (3 m) × ⅜″ (1 cm), sprawling or floating. Ocrea are ⅛-1¾″ (5-50 mm), with the upper part fringed with small hairs 0.5-4.5 mm long.

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