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Polygonum Aviculare

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Image of birdweed - Polygonum aviculare
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Common Knotgrass (Polygonum aviculare) is also known as the pigweed, lowgrass or birdweed. It is a popular plant in traditional medicine for its healing properties like diuretic, astringent, tonic generally, mild hypotensiv, being used to treat of hypertension, diarrhea, joint disorders, respiratory problems (bronchitis, pneumonia). This plant is originally from Europe and Asia, and has been introduced into the other continents (North and South America, Africa, Australia, New Zealand).
The picture was captured with a Nikon D40X camera and Nikkor 18-55mm f/3.5-5.6G ED AF-S DX lens, using these settings: focal length – 55 mm, exposure time – 1/100 sec, ISO 100, lens aperture – 5.6

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