Polygonum majus

{{Speciesbox

|image = Polygonum majus-5-26-04.jpg

|status = G1

|status_system = TNC

|status_ref =

|genus = Polygonum

|species = majus

|authority =(Meisn.) Piper 1901

|synonyms_ref = [http://www.theplantlist.org/tpl1.1/record/tro-26000866 The Plant List, Polygonum majus (Meisn.) Piper ]

|synonyms =

Polygonum coarctatum var. majus Meisn. 1856
Polygonum douglasii subsp. majus (Meisn.) J.C. Hickman

}}

Polygonum majus is a North American species of flowering plant in the buckwheat family known by the common name wiry knotweed. It grows in the western United States and western Canada, from British Columbia south as far as the Sierra Nevada of northwestern Inyo County in California, east as far as Montana.{{Cite web |title=Polygonum majus.png(1052 x 642) |url=http://bonap.net/MapGallery/County/Polygonum%20majus.png |website=bonap.net}}{{Cite web |title=Polygonum majus Calflora |url=https://www.calflora.org/app/taxon?crn=11035 |access-date=2024-09-03 |website=www.calflora.org}}

Description

Polygonum majus is an herb up to 60 cm (2 feet) tall. Stems are thin and wiry. Flowers are white or pink.{{Cite web |title=Polygonum majus in Flora of North America @ efloras.org |url=http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250060742 |access-date=2024-09-03 |website=www.efloras.org}}Piper, Charles Vancouver. 1901. Flora of the Palouse Region 63

References

External links

[http://ucjeps.berkeley.edu/tjm2/review/treatments/polygonaceae_all.html#80205 Jepson Manual Treatment]{{Dead link|date=May 2020 |bot=InternetArchiveBot |fix-attempted=yes }}

majus

Category:Flora of British Columbia

Category:Flora of the Western United States

Category:Plants described in 1856