Contact Us Host an Event Volunteer Join
Share

Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Enter a Plant Name:
Or choose a plant family:
Polygonum achoreum (Leathery knotweed)
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:

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: NB

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
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

Go back