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Persicaria virginiana inflorescence close-up
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Persicaria virginiana leaf abaxial surface
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2011-08-25 Vienna XXII. district, Lobau - Danube National Park (Lobau
Hausgraben - bayou 153 msm Quadrant 7865/1).Hausgraben remained dry for most of this year's summer - only for short periods, like here, it was wet and flooded.German name: Mild-Knterich
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2011-08-25 Vienna XXII. district, Lobau - Danube National Park (Lobau
Hausgraben - bayou 153 msm Quadrant 7865/1).German name: Mild-Knterich
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2011-08-25 Vienna XXII. district, Lobau - Danube National Park (Lobau
Hausgraben - bayou 153 msm Quadrant 7865/1).German name: Mild-Knterich
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Polygonum perfoliatum L.(Polygonaceae)
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Fort Meade, Maryland, United States
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Seen on Rutgers University, Cook Campus, New Brunswick, NJ, USA. Near Weston Mill Pond, wetland in Rutgers Gardens.
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close up image of Polygonum amphibium stipulaceum WATER KNOTWEED at the James Woodworth Prairie Preserve - showing three flower spikes just prior to opening
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close up image of Polygonum amphibium stipulaceum WATER KNOTWEED at the James Woodworth Prairie Preserve - showing stem and leaf detail
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close up image of Polygonum amphibium stipulaceum WATER KNOTWEED at the James Woodworth Prairie Preserve - showing one flower spike with multiple flower buds and one flower just after blooming
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close up image of Polygonum amphibium stipulaceum WATER KNOTWEED at the James Woodworth Prairie Preserve - showing a single specimen with leaf detail and a single flower spike in bloom
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field image of Polygonum amphibium stipulaceum WATER KNOTWEED at the James Woodworth Prairie Preserve - a stand at bloom time
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close up image of Polygonum amphibium stipulaceum WATER KNOTWEED at the James Woodworth Prairie Preserve - a single flower spike in bloom showing detailing flower buds and flowers in bloom with anthers and stigma apparentThis species is featured in the soon-to-be-published book, Elusive Splendor: Wildflowers of the Tall Grass Prairie. Contact frank@black-sweater-art.com for more information.
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Flowers of Persicaria chinensis from Polygonaceae.
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Christmas, Florida, United States
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Christmas, Florida, United States
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New South Wales, Australia
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2010.07.28 Vienna II. district (bayou in Vienna Prater - Mauthnerwasser 156 m).German name: Wasser-KnterichID: Fischer & al., Exkursionsflora A/FL/SdT (2008 3rd)
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Orinda, California, United States
