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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 ramosissimum var. prolificum

Polygonum ramosissimum Michx. var. prolificum Small

Bushy Knotweed

Polygonaceae (Buckwheat Family)

Synonym(s): Polygonum prolificum

USDA Symbol: PORAP

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 32 inches tall.

Bloom Information

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

Distribution

USA: CT , DE , ID , IL , KS , KY , LA , MA , MD , ME , MN , MO , NC , ND , NE , NH , NJ , NM , NY , OK , OR , PA , RI , TN , TX , VA , WA , WV , WY
Canada: AB , BC , MB , NS , ON , PE , QC , SK

Web Reference

Webref 30 - Calflora (2018) Calflora
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 var. prolificum in USDA Plants
FNA: Find Polygonum ramosissimum var. prolificum in the Flora of North America (if available)
Google: Search Google for Polygonum ramosissimum var. prolificum

Metadata

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

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