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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.

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

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

On turning northward, we next entered upon an open plain covered with good grass mixed with verdant polygonum.

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

They have watercourses and polygonum flats bordered with box trees, but we met with no holes fit to hold a supply of water.

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

It consists chiefly of mud flats, covered with polygonum bushes, box timber, and a few salsolaceous plants, of inferior quality.

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