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Family: Polygonaceae
 Equal-leaved Knotgrass Polygonum arenastrum Flowering time: Habitat Stems prostrate. Not heterophyllus, leaves elliptical, 5-15 x 3-6mm. Internodes usually less than 10(-15)mm. Perianth lobed to 2/3  | 
	
 
Equal-leaved Knotgrass, Polygonum arenastrum 
Photographs: Kingston Lacy, Dorset. July 2020