| 单词 | water smartweed | 
| 释义 | > as lemmaswater smartweed   water smartweed  n. a wetland plant having oval leathery leaves and a spike of pink flowers,  Persicaria amphibia (family  Polygonaceae), native to north temperate regions and introduced elsewhere. ΘΚΠ the world > plants > particular plants > plants and herbs > aquatic, marsh, and sea-shore plants > 			[noun]		 > water-pepper arsesmarta1300 red-kneea1300 culragea1400 smarthole1440 water pepper1538 arsenick1552 ciderage1578 lake-weed1693 water smartweed1867 pochard grass1879 1867    A. Gray Man. Bot. Northern U.S. 		(ed. 5)	 416  				Polygonum acre..(Water Smartweed). 1928    Jrnl. Mammalogy 9 219  				The parts of the seeds that were discarded include the outer shell of barberry,..water smartweed, and wheat. 2003    Weed Sci. 51 691/1  				Abundance of water smartweed..was related to sand content and soil phosphorous concentration. < as lemmas  | 
	
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