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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.

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Polygonum arifolium

Polygonum arifolium L.

Halberdleaf Tearthumb

Polygonaceae (Buckwheat Family)

Synonym(s): Persicaria arifolia, Polygonum arifolium var. lentiforme, Polygonum arifolium var. pubescens, Tracaulon arifolium

USDA Symbol: poar6

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


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Plant Characteristics

Duration: Annual
Habit: Herb , Vine
Fruit Type: Achene
Size Notes: Stems climbing, up to about 5 feet long.

Bloom Information

Bloom Color: White , Red , Pink
Bloom Time: Jul , Aug , Sep , Oct


USA: CT , DC , DE , GA , IL , IN , KY , LA , MA , MD , ME , MI , MN , MO , NC , NH , NJ , NY , OH , PA , RI , SC , TN , VA , VT , WA , WI , WV
Canada: NB , NS , ON , PE , QC
Native Habitat: Shaded swamps, ponds, tidal marshes along rivers, wet ravines in forests.

National Wetland Indicator Status

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


Record Modified: 2023-05-02
Research By: TWC Staff

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