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polygonum

British  
/ pəˈlɪɡənəm /

noun

  1. any polygonaceous plant of the genus Polygonum, having stems with knotlike joints and spikes of small white, green, or pink flowers See also knotgrass bistort prince's feather

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of polygonum

C18: New Latin, from Greek polugonon knotgrass, from polu- poly- + -gonon, from gonu knee

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Again we came upon wide fields of polygonum, and tracks of open forest with large lagoons.

From Journal of an Expedition into the Interior of Tropical Australia by Mitchell, Thomas

Not less the ambitious botanist sought plants, Orchis and gentian, fern and long whip-scirpus, Rosy polygonum, lake-margin's pride, Hypnum and hydnum, mushroom, sponge and moss, Or harebell nodding in the gorge of falls.

From Poems Household Edition by Emerson, Ralph Waldo

It formed fine reaches of water fifty to 100 yards wide; but the channel terminated suddenly in a level flat, covered with polygonum, atriplex, and grass.

From Journals of Australian Explorations by Gregory, Augustus Charles

The flats of polygonum stretched away to the N.W., and to the S., and the soil itself bore testimony to its flooded origin.

From The History of Australian Exploration from 1788 to 1888 by Favenc, Ernest

The banks are firm and shelving, from ten to twelve feet above the water, and lined with box, acacias, some large gums, gigantic marshmallows, polygonum, etc.

From Successful Exploration Through the Interior of Australia by Wills, William John

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