Native Plants

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Smith, R.W.

Polygonum achoreum

Polygonum achoreum S.F. Blake

Leathery Knotweed

Polygonaceae (Buckwheat Family)

Synonym(s): Polygonum erectum ssp. achoreum

USDA Symbol: POAC3

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

From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Leaf Shape: Elliptic , Obovate
Fruit Type: Achene
Size Notes: Stems erect when young, decumbent or prostrate later, up to about 28 inches long.

Bloom Information

Bloom Color: Pink , Yellow , Green
Bloom Time: Jul , Aug , Sep

Distribution

USA: AK , CO , CT , IA , ID , IL , IN , KS , ME , MI , MN , MO , MT , ND , NE , NY , OH , OR , SD , VT , WI , WV , WY
Canada: AB , BC , MB , NB , NS , NT , ON , QC , SK , YT

National Wetland Indicator Status

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

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.

Additional resources

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

Metadata

Record Modified: 2012-07-02
Research By: TWC Staff

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