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:
Name Verified on: 04-Feb-2003 by ARS Systematic Botanists. Last Changed: 04-Feb-2003
Species priority site is: North Central Regional PI Station (NC7)
Accessions: 24 in National Plant Germplasm System (GoogleMap)

Common names:

Economic Importance:

  • Environmental: potential as soil improver ()
  • Gene sources: tertiary genetic relative of Inca-wheat (based on probable affinities to Amaranthus caudatus fide Theor Appl Genet 95:871, 872. 1997)
  • Gene sources: tertiary genetic relative of prince's-feather (based on probable affinities to Amaranthus hypochondriacus fide Theor Appl Genet 95:871, 872. 1997)
  • Gene sources: tertiary genetic relative of purple amaranth (based on probable affinities to Amaranthus cruentus fide Theor Appl Genet 95:871, 872. 1997)
  • Vertebrate poisons: mammals ()
  • Weed: potential seed contaminant (fide Geigy Weed Tables. 1968)

Distributional Range:

    Native

    Northern America
    • EASTERN CANADA: Canada [New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec]
    • WESTERN CANADA: Canada [Alberta, Manitoba, Saskatchewan]
    • 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, District of Columbia, Florida (http://www.plantatlas.usf.edu/main.asp?plantID=1624), Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee (http://tenn.bio.utk.edu/vascular/database/vascular-database.asp?CategoryID=Dicots&FamilyID=Amaranthaceae&GenusID=Amaranthus&SpeciesID=retroflexus), Virginia]
    • SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
    • NORTHERN MEXICO: Mexico [Baja Norte, Baja Sur, Chihuahua, Coahuila, Durango, Nuevo Leon, San Luis Potosi, Sinaloa, Sonora, Tamaulipas]
    • SOUTHERN MEXICO: Mexico [Chiapas, Colima, Jalisco, Mexico, Morelos, Nayarit, Oaxaca, Veracruz]


    Naturalized (natzd. nearly worldwide)

References:

  1. Aldén, B., S. Ryman, & M. Hjertson Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource on www.skud.info). 2012 (Kulturvaxtdatabas)
  2. Botanical Society of the British Isles BSBI taxon database (on-line resource). (BSBI)
  3. Brown, R. G. & M. L. Brown Herbaceous plants of Maryland. 1984 (HPl Mary)
  4. Browne, E. T. & R. Athey Vascular plants of Kentucky: an annotated checklist. 1992 (L Kentucky)
  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 The CIBA-GEIGY Weed Tables. 1974 (Weed TabCIBA)
  7. Correll, D. S. & M. C. Johnston Manual of the vascular plants of Texas. 1970 (F Tex)
  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. Duncan, W. H. & J. T. Kartesz Vascular flora of Georgia: an annotated checklist. (L Georgia)
  10. El-Hadidi, M. N. & M. S. Abdallah Flora of Egypt. (F Egypt Cairo)
  11. Erhardt, W. et al. Der große Zander: Enzyklopädie der Pflanzennamen. 2008 (Zander Ency)
  12. Feuillet, C. 1998. pers. comm. (pers. comm.)
  13. FNA Editorial Committee Flora of North America. (F NAmer)
  14. Gleason, H. A. & A. Cronquist Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2. 1991 (Glea Cron ed2)
  15. Groth, D. 2005. pers. comm. (pers. comm.)
  16. Holm, L. et al. A geographical atlas of world weeds. 1979 (Atlas WWeed)
  17. Integrated Botanical Information System (IBIS) Australian plant common name database (on-line resource). (Aust Pl Common Names)
  18. Kingsbury, J. M. Poisonous plants of the United States and Canada. (Kingsbury)
  19. Liberty Hyde Bailey Hortorium Hortus third. (Hortus 3)
  20. Magee, D. W. & H. E. Ahles Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York. (F NE US)
  21. McGregor, R. L. et al. (The Great Plains Flora Association) Flora of the Great Plains. (F GPlains)
  22. Mitich, L. W. 1997. Redroot pigweed (Amaranthus retroflexus) Weed Technol. 11:199-202.
  23. Munro, D. B. Canadian poisonous plants information system (on-line resource). (Can Poison Pl)
  24. Ohwi, J. Flora of Japan (Engl. ed.). (F JapanOhwi)
  25. Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource). (Pl Names)
  26. Radford, A. E. et al. Manual of the vascular flora of the Carolinas. (F Carolin)
  27. Rehm, S. Multilingual dictionary of agronomic plants. 1994 (Dict Rehm)
  28. Sauer, J. D. 1967. The grain amaranths and their relatives: a revised taxonomic and geographic survey Ann. Missouri Bot. Gard. 54:107.
  29. Tutin, T. G. et al., eds. Flora europaea, ed. 2. (F Eur ed2)
  30. Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico Rev. Mex. Biodivers. 87:559-902.
  31. Whitson, T. D. et al., eds. Weeds of the West, ed. 5. 1999 (Weeds West)
  32. Wu Zheng-yi & P. H. Raven et al., eds. Flora of China (English edition). (F ChinaEng)

Check other web resources for Amaranthus retroflexus L. :

Images:

  • Seed: U.S. National Seed Herbarium image

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2018. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=2803. Accessed 24 June 2018.