Polygonum erectum

Polygonum erectum

Taxonavigation

Taxonavigation: Caryophyllales
Classification System: APG IV Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Ordo: Caryophyllales

Familia: Polygonaceae
Subfamilia: Polygonoideae
Tribus: Polygoneae
Subtribus: Polygoninae
Genus: Polygonum
Species: Polygonum erectum

Name

Polygonum erectum L. in Sp. Pl.: 363 (1753)

Synonyms

• Homotypic
  • Polygonum aviculare var. erectum (L.) Ledeb. in Fl. Ross. 3: 532 (1850), nom. illeg. homonym. post.
  • Polygonum aviculare f. erectum (L.) Regel in Mém. Acad. Imp. Sci. Saint Pétersbourg, Sér. 7. 4(4): 127 (1861), nom. illeg. homonym. post.
• Heterotypic
  • Polygonum crassicaule Raf. in Fl. Tellur. 3: 15 (1837)

Distribution

Native distribution areas:

ContinentalːNorthern America Regionalː Eastern USA Alabama, Georgia, Louisiana, Maine, Mississippi, New York, North Carolina, South Carolina, Tennessee, Virginia Regionalː Western USA Oregon, Washington Regionalː Central USA Arkansas, Colorado, Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, Ohio, Oklahoma, Pennsylvania, Rhode I., Vermont, West Virginia, Wisconsin, Wyoming RegionalːCanada Alberta, Ontario, Québec, Saskatchewan References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Linnaeus, C. 1753. Species Plantarum. Tomus I: 363. Reference page. 

Additional references

• Flora of North America Editorial Committee (2005). Flora of North America North of Mexico 5: 1-656. Oxford University Press, New York, Oxford.
• Kral, R., Diamond, A.R., Ginzbarg, S., Hansen, C.J., Haynes, R.R., Keener, B.R., Lelong, M.G., Spaulding, D.D. & Woods, M. 2011. Annotated checklist of the vascular plants of Alabama. Sida Botanical Miscellany 36: 112 pp. Fort Worth: Botanical Reseach Institute of Texas. ISBN 978-1-889878-34-8 Reference page. 

Links

• Govaerts, R. et al. 2026. Polygonum erectum in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2026 July 08. Reference page. 
• International Plant Names Index. 2026. Polygonum erectum. Published online. Accessed: July 08 2026. Reference page.
• USDA, ARS, Germplasm Resources Information Network. Polygonum erectum in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10. Reference page. ==Vernacular names==

• English: erect knotweed

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