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

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

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

A great number of natives here; the creek northward ceases one quarter mile from this and loses itself on a polygonum plain—no doubt forms again.

From McKinlay's Journal of Exploration in the Interior of Australia by McKinlay, John

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

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