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Ngongotaha, Bay of Plenty, New Zealand
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Selbitz, Bavaria, Germany
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2009.08.27 Austria, Vienna XI. district (170 m AMSL).Flower: this one only just began flowering. F. japonica isn't so much spreading through fruits but rather through rhizomes which are washed away by rivers during floodings.German name: Japan-Flgelknterich (Japan-Staudenknterich)
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2009.08.27 Austria, Vienna XI. district (170 m AMSL).Flowering in july/august/september.Not native to Austria, both escaped from culture and was seeded in forests and on rivers (as food for deer and to green embankments after river regulations) before people realised that this species is extremely invasive and aggressively suppresses native plants.Meantime, F. japonica most likely is beyond any chance of wiping it out in natural habitats where it does not belong: in marshlands and on river embankments. It grows also in huge numbers alongside some motorways or railway tracks (the latter is the habitat of this one here).German name: Japan-Flgelknterich (Japan-Staudenknterich)
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Woods Hole, Massachusetts, United States
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2009.08.27 Austria, Vienna XI. district (170 m AMSL).Leaves: for this species typical is the basis of the leaf ("flattened", with nerves forming its border near the stem).German name: Japan-Flgelknterich (Japan-Staudenknterich)
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2011-10-21 Vienna XI. district, Albern - Cemetary of the Nameless Dead (157 msm Quadrant 7865/1).German name: Japan-Flgelknterich (Japan-Staudenknterich)Introduced species, invasive; this specimen here however is planted as an ornamental plant in the park round the chapel of the cemetary.
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Ngongotaha, Bay of Plenty, New Zealand
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2010.04.20 Vienna XI. (brownlands 170 m AMSL).Young shoots in spring.Very common, invasive.German name: Japan-Flgelknterich, -Staudenknterich
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Throop, England, United Kingdom
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2009.08.27 Austria, Vienna XI. district (170 m AMSL).Leaf, detail.German name: Japan-Flgelknterich (Japan-Staudenknterich)
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California, United States
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California, United States
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West Coast, New Zealand
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Northern Kosciuszko National Park, Cave Creek in vicinity of Cooleman Caves and the Blue Waterholes, New South Wales.
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Miena, Tasmania, Australia
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Miena, Tasmania, Australia
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Miena, Tasmania, Australia
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Northern Kosciuszko National Park, Cave Creek in vicinity of Cooleman Caves and the Blue Waterholes, New South Wales.
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Persicaria virginiana inflorescence close-up
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Persicaria virginiana leaf abaxial surface
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Caguas, Caguas, Puerto Rico
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California, United States