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Knotgrass |
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Knotgrass
(Polygonum aviculare), a plant of the family Po-lygonaceae. An annual with a very variable erect or prostrate stem, knotgrass has entire and alternate leaves. The flowers, which are solitary or few, are in the leaf axils. The perianth segments are greenish with white or pink margins. Knotgrass grows almost everywhere—along roads, in pastures, and as a weed in crops. It is a valuable pasture plant for cattle and poultry, since it withstands trampling and close grazing well. An extract from the grass is used as a styptic and diuretic. Knotgrass is considered by many to be an aggregate species, including a large number of small species. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | In fact some gardeners have been put off this wonderful range of plants because of the reputations of Japanese Knotweed, the mile and minute vine, common docks and weeds such as knotgrass. s sorrel (Rumex acetosa/acetosella type) and cornflower (Centaurea cyanus) is connected with agriculture, settlement weeds are greater/hoary plantain (Plantago major/media type) and knotgrass (Polygonum aviculare), cabbage family (Brassicaceae), wormwood (Artemisia), goosefoot family (Chenopodiaceae). Mission is particularly effective on broad-leaved weeds such as chickweed, cleavers, fat-hen, groundsel, knotgrass, speedwell, and small nettle. |
Knotgrass |
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