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Taxon: Amaranthus retroflexus L.

 
Genus: Amaranthus
Subgenus: Amaranthus
Family: Amaranthaceae
Nomen number: 2803
Place of publication: Sp. pl. 2:991. 1753
Link to protologue:
Typification: View in Linnean Typification Project
Name Verified on: 04-Feb-2003 by ARS Systematic Botanists.
Accessions: 34 (28 active, 22 available) in National Plant Germplasm System (Map)

Common names:

Economic Importance:

  • Environmental: potential as soil improver
  • Vertebrate poisons:
  • Weed: potential seed contaminant (fide Geigy Weed Tables. 1968)

Distributional Range:

    Native

    Northern America
    • EASTERN CANADA: Canada [Québec, Nova Scotia, Ontario, Prince Edward Island, New Brunswick]
    • WESTERN CANADA: Canada [Saskatchewan, Alberta, Manitoba]
    • NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia]
    • NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin]
    • NORTHWESTERN U.S.A.: United States [Montana, Wyoming]
    • SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Delaware, Florida (http://www.plantatlas.usf.edu/main.asp?plantID=1624), Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, District of Columbia]
    • SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
    • NORTHERN MEXICO: Mexico [Chihuahua, Coahuila de Zaragoza, Durango, Nuevo León, San Luis Potosí, Sinaloa, Sonora, Tamaulipas, Baja California (Norte), Baja California Sur]
    • SOUTHERN MEXICO: Mexico [Chiapas, Colima, Jalisco, México, Morelos, Nayarit, Oaxaca, Veracruz de Ignacio de la Llave]


    Naturalized (natzd. nearly worldwide)

References:

  1. Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) URL: www.skud.info
  2. Botanical Society of the British Isles. BSBI taxon database (on-line resource).
  3. Brown, R. G. & M. L. Brown. 1984. Herbaceous plants of Maryland
  4. Browne, E. T. & R. Athey. 1992. Vascular plants of Kentucky: an annotated checklist
  5. Chan, K. F. & M. Sun. 1997. Genetic diversity and relationships detected by isozyme and RAPD analysis of crop and wild species of Amaranthus. Theor. Appl. Genet. 95:865-873.
  6. CIBA-GEIGY, Basel, Switzerland. 1974. The CIBA-GEIGY Weed Tables
  7. Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
  8. Costea, M. et al. 2004. The biology of Canadian weeds. 130. Amaranthus retroflexus L., A. powellii S. Watson and A. hybridus L.. Canad. J. Pl. Sci. 84:631-668.
  9. Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 90.
  10. Duncan, W. H. & J. T. Kartesz. 1981. Vascular flora of Georgia: an annotated checklist.
  11. El-Hadidi, M. N. & M. S. Abdallah. 1980-. Flora of Egypt.
  12. Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen
  13. Feuillet, C. 1998. pers. comm. Note: re. French common names
  14. FNA Editorial Committee. 1993-. Flora of North America.
  15. Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
  16. Groth, D. 2005. pers. comm. Note: re. Brazilian common names
  17. Holm, L. et al. 1979. A geographical atlas of world weeds
  18. Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
  19. Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.
  20. Liberty Hyde Bailey Hortorium. 1976. Hortus third.
  21. Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
  22. McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
  23. Mitich, L. W. 1997. Redroot pigweed (Amaranthus retroflexus). Weed Technol. 11:199-202.
  24. Munro, D. B. Canadian poisonous plants information system (on-line resource).
  25. Ohwi, J. 1965. Flora of Japan (Engl. ed.).
  26. Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
  27. Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
  28. Rehm, S. 1994. Multilingual dictionary of agronomic plants
  29. Sauer, J. D. 1967. The grain amaranths and their relatives: a revised taxonomic and geographic survey. Ann. Missouri Bot. Gard. 54:107.
  30. Tutin, T. G. et al., eds. 1993. Flora europaea, ed. 2.
  31. Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902.
  32. Whitson, T. D. et al., eds. 1999. Weeds of the West, ed. 5
  33. Wofford, B. E. Database of Tennessee vascular plants (on-line resource). URL: https://herbarium.utk.edu/vascular/vascular-database.php?CategoryID=Dicots&FamilyID=Amaranthaceae&GenusID=Amaranthus&SpeciesID=retroflexus target='_blank'
  34. Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

Check other web resources for Amaranthus retroflexus L. :

  • Flora Europaea: Database of European Plants (ESFEDS)
  • Flora of North America: Collaborative Floristic Effort of North American Botanists
  • PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
  • BONAP North American Plant Atlas of the Biota of North America Program:
  • Flora of China: Online version from Harvard University
  • TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
  • Mansfeld: Mansfeld's World Databas of Agricultural and Horticultural Crops
  • ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
  • AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
  • Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  • PubAg: USDA's National Agricultural Library database of full-text journal articles and citations on the agricultural sciences.

Images:

  • Seed: U.S. National Seed Herbarium image

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2019. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=2803. Accessed 22 November 2019.