Native Plants

Plant Database

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Polygonum ramosissimum

Polygonum ramosissimum Michx.

Bushy Knotweed

Polygonaceae (Buckwheat Family)

Synonym(s):

USDA Symbol: pora3

USDA Native Status: L48 (N), AK (I?), CAN (N)

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Plant Characteristics

Duration: Annual
Habit: Herb
Fruit Type: Achene
Size Notes: Up to about 6 feet tall, usually shorter.

Bloom Information

Bloom Color: White , Pink , Yellow , Green
Bloom Time: Jul , Aug , Sep , Oct , Nov
Bloom Notes: Flowers rarely pink or white.

Distribution

USA: AK , AR , AZ , CA , CO , CT , DC , DE , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MT , NC , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SC , SD , TN , TX , UT , VA , WA , WI , WV , WY
Canada: NB , NS , PE

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	FACU	FACU	FAC		FAC	FACW		FACU	FAC	FAC

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Polygonum ramosissimum in USDA Plants
FNA: Find Polygonum ramosissimum in the Flora of North America (if available)
Google: Search Google for Polygonum ramosissimum

Metadata

Record Modified: 2023-01-04
Research By: TWC Staff

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