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Polygonum
(redirected from polygonums)

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Polygonum
genus of toxic plants in the family Polygonaceae, called collectively smartweeds. Some cause nitrate-nitrite poisoning, some cause photosensitization; includes P. aviculare (wireweed), P. convolvulus (Fallopia convolvulus), P. esculentum, P. fagopyrum (Fagopyrum sagittatum), P. hydropiper (water pepper), P. lapathifolium (Persicaria lapathifolium), P. orientale (Persicaria orientalis), P. pennsylvanicum (willow weed), P. persicaria (spotted persicaria).
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They eat mainly seeds, especially cereal grain, but also seeds of grasses, polygonums, mouse-ear and chickweed.
Help the sparrows by The Journal (Newcastle, England)
Even on the alpine bed, you'll find the autumn Gentians and Polygonums brighten up what can be a dull time of the year.
A sad soggy end in sight for blooms by Sunday Mercury (Birmingham, England)
They eat mainly seeds, especially cereal grain, but also seeds of grasses, polygonums, mouse-ear and chickweed.
North backs bid to save sparrow by The Journal (Newcastle, England)
 
 
 
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