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Any of numerous plants of the genus Polygonum and several closely related genera of the family Polygonaceae, characterized by stems with knotlike joints and sheathing stipules.

[New Latin Polygonum, genus name, from Greek polugonon, knotgrass : polu-, poly- + gonu, knee; see genu- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Plants) any polygonaceous plant of the genus Polygonum, having stems with knotlike joints and spikes of small white, green, or pink flowers. Also called (obsolete): polygony See also knotgrass, bistort, prince's feather2
[C18: New Latin, from Greek polugonon knotgrass, from polu- poly- + -gonon, from gonu knee]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.polygonum - diverse genus of herbs or woody subshrubs of north temperate regionsPolygonum - diverse genus of herbs or woody subshrubs of north temperate regions
dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
buckwheat family, family Polygonaceae, Polygonaceae - a family of plants of order Polygonales chiefly of the north temperate zone; includes the buckwheats
China fleece vine, Polygonum aubertii, Russian vine, silver lace vine - twining perennial vine having racemes of fragrant greenish flowers; western China to Russia
buckwheat, Fagopyrum esculentum, Polygonum fagopyrum - a member of the genus Fagopyrum; annual Asian plant with clusters of small pinkish white flowers and small edible triangular seeds which are used whole or ground into flour
kiss-me-over-the-garden-gate, Polygonum orientale, prince's-feather, prince's-plume, princess feather - annual with broadly ovate leaves and slender drooping spikes of crimson flowers; southeastern Asia and Australia; naturalized in North America
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
| For more, visit patthanagardenireland.com PLANT OF THE WEEK persicaria fat domino SOME persicarias, formerly known as polygonum, can be invasive thugs, bullying other plants out of existence.
Polygonum Cuspidatum is a natural resveratrol extracted from the roots of Japanese Knotweed plant.
Summary: Polygonum Cuspidatum is a natural resveratrol extracted from the roots of Japanese Knotweed plant.
Resveratrol from Japanese Knotweed (Polygonum cuspidatum):
istanbulensis (Figure 5), Polygonum istanbulicum, Atriplex tatarica L.
The cognitive-boost market just received another potent supplement ingredient: Quantum IQ Polygonum minus extract, exclusively from HP Ingredients, Inc.
Fallopia multiflora (Thunberg) Haraldson (Polygonaceae), synonym Polygonum multiflorum Thunb., is an important medicinal plant in Oriental medicine.
Smartweed (also known as knotweed) is the common name given to a whole genus of plants, Polygonum, which translates as "many knees." Many members of this genus are, in fact, garden-worthy plants.
(2016), quienes citaron 17 taxones de los generos Rumex, Emex, Polygonum y Muehlenbeckia.