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

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Etymology

Origin of polygonum

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

Example Sentences

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 stood beside a small branch or outlet of the river, which led into a hollow of polygonum.

From Three Expeditions into the Interior of Eastern Australia, Volume 2 by Mitchell, Thomas

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

We then came to a box forest, where the soil was loose and earthy, similar to polygonum ground; there were in every direction signs of heavy floods and frequent inundations.

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

The fields of polygonum spread on every side of us, like a dark sea, and the only green object within range of our vision was the river line of trees.

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