Hello, you have come here looking for the meaning of the word Polygonum. In DICTIOUS you will not only get to know all the dictionary meanings for the word Polygonum, but we will also tell you about its etymology, its characteristics and you will know how to say Polygonum in singular and plural. Everything you need to know about the word Polygonum you have here. The definition of the word Polygonum will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofPolygonum, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
From Ancient Greekπολύγονον(polúgonon, “knotweed”) from πολύς(polús, “many”) + γόνυ(gónu, “knee”) (though γόνος(gónos, “offspring”) has been suggested- the "knots" in "knotweed" are enlarged joints like knees, and it's certainly a prolific weed, so either derivation is plausible).
Hyam, R., Pankhurst, R.J. (1995) Plants and their names : a concise dictionary, Oxford: Oxford University Press, →ISBN p. 404.
Coombes, Allen J. (1994) Dictionary of Plant Names, London: Hamlyn Books, →ISBN p. 148.
Martinius, Matthias (1655) Lexicon Philologicum præcipue etymologicum et sacrum (in Latin), T. M. Goetzenius. Polygonum.
Costea, Mihai, Tardif, François J., Hinds, Harold R. (1982 onwards) “Polygonum”, in Flora of North America Editorial Committee, editor, Flora of North America (online), eFloras.org
Polygonum on WikipediaWikipedia and 
Polygonum on Wikispecies.Wikispecies 
Category:Polygonum on Wikimedia Commons.Wikimedia Commons 