Taxon:
Amaranthus retroflexus L.
Summary
Place of publication:
Sp. pl. 2:991. 1753
Verified:
02/04/2003
ARS Systematic Botanists.
Autonyms (not in current use), synonyms and invalid designations
Reference(s)
- Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) www.skud.info
- Botanical Society of the British Isles. BSBI taxon database (on-line resource). URL: http://rbg-web2.rbge.org.uk/BSBI/taxonsearch.php
- Brown, R. G. & M. L. Brown. 1984. Herbaceous plants of Maryland
- Browne, E. T. & R. Athey. 1992. Vascular plants of Kentucky: an annotated checklist
- 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. URL: http://link.springer.com/journal/volumesAndIssues/122
- CIBA-GEIGY, Basel, Switzerland. 1974. The CIBA-GEIGY Weed Tables
- Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
- 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.
- Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 90.
- Duncan, W. H. & J. T. Kartesz. 1981. Vascular flora of Georgia: an annotated checklist.
- El-Hadidi, M. N. & M. S. Abdallah. 1980-. Flora of Egypt.
- Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen
- Feuillet, C. 1998. pers. comm. Note: re. French common names
- FNA Editorial Committee. 1993-. Flora of North America. URL: http://floranorthamerica.org/
- Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
- Groth, D. 2005. pers. comm. Note: re. Brazilian common names
- Holm, L. et al. 1979. A geographical atlas of world weeds
- Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource). URL: http://www.anbg.gov.au/common.names/
- Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.
- Liberty Hyde Bailey Hortorium. 1976. Hortus third.
- Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
- McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
- Mitich, L. W. 1997. Redroot pigweed (Amaranthus retroflexus). Weed Technol. 11:199-202.
- Munro, D. B. Canadian poisonous plants information system (on-line resource). URL: http://www.cbif.gc.ca/pls/pp/poison?p_x=px
- Ohwi, J. 1965. Flora of Japan (Engl. ed.).
- Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource). URL: http://www.plantnames.unimelb.edu.au/Sorting/Frontpage.html
- Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
- Rehm, S. 1994. Multilingual dictionary of agronomic plants
- Sauer, J. D. 1967. The grain amaranths and their relatives: a revised taxonomic and geographic survey. Ann. Missouri Bot. Gard. 54:107. URL: http://www.biodiversitylibrary.org/bibliography/702#/summary
- Tutin, T. G. et al., eds. 1993. Flora europaea, ed. 2.
- Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902.
- Whitson, T. D. et al., eds. 1999. Weeds of the West, ed. 5
- 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
- Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). URL: http://www.efloras.org/browse.aspx?flora_id=2
Common names
English
American pigweed – carelessweed – common amaranth – pigweed redroot – redroot – redroot amaranth – redroot pigweed – reflexed amaranth – rough pigweed – wild-beet amaranth – Chinese
fan zhi xian (反枝苋) – English (Canada)
redroot pigweed – French
amarante réfléchie – French (Canada)
amarante à racine rouge – German
Ackerfuchsschwanz – zurückgekrümmter Fuchsschwanz – Portuguese (Brazil)
carurú-áspero – Spanish
amaranto común – Swedish
svinamarant – Transcribed Chinese
fan zhi xian –
Distribution
order_code | Status | Continent | Subcontinent | Country | State | Note |
1 | Native | Northern America | Eastern Canada | Canada | New Brunswick | |
1 | Native | Northern America | Eastern Canada | Canada | Nova Scotia | |
1 | Native | Northern America | Eastern Canada | Canada | Ontario | |
1 | Native | Northern America | Eastern Canada | Canada | Prince Edward Island | |
1 | Native | Northern America | Eastern Canada | Canada | Québec | |
1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | |
1 | Native | Northern America | North-Central U.S.A. | United States | Iowa | |
1 | Native | Northern America | North-Central U.S.A. | United States | Kansas | |
1 | Native | Northern America | North-Central U.S.A. | United States | Minnesota | |
1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | |
1 | Native | Northern America | North-Central U.S.A. | United States | Nebraska | |
1 | Native | Northern America | North-Central U.S.A. | United States | North Dakota | |
1 | Native | Northern America | North-Central U.S.A. | United States | Oklahoma | |
1 | Native | Northern America | North-Central U.S.A. | United States | South Dakota | |
1 | Native | Northern America | North-Central U.S.A. | United States | Wisconsin | |
1 | Native | Northern America | Northeastern U.S.A. | United States | Connecticut | |
1 | Native | Northern America | Northeastern U.S.A. | United States | Indiana | |
1 | Native | Northern America | Northeastern U.S.A. | United States | Maine | |
1 | Native | Northern America | Northeastern U.S.A. | United States | Massachusetts | |
1 | Native | Northern America | Northeastern U.S.A. | United States | Michigan | |
1 | Native | Northern America | Northeastern U.S.A. | United States | New Hampshire | |
1 | Native | Northern America | Northeastern U.S.A. | United States | New Jersey | |
1 | Native | Northern America | Northeastern U.S.A. | United States | New York | |
1 | Native | Northern America | Northeastern U.S.A. | United States | Ohio | |
1 | Native | Northern America | Northeastern U.S.A. | United States | Pennsylvania | |
1 | Native | Northern America | Northeastern U.S.A. | United States | Rhode Island | |
1 | Native | Northern America | Northeastern U.S.A. | United States | Vermont | |
1 | Native | Northern America | Northeastern U.S.A. | United States | West Virginia | |
1 | Native | Northern America | Northern Mexico | Mexico | Baja California (Norte) | |
1 | Native | Northern America | Northern Mexico | Mexico | Baja California Sur | |
1 | Native | Northern America | Northern Mexico | Mexico | Chihuahua | |
1 | Native | Northern America | Northern Mexico | Mexico | Coahuila de Zaragoza | |
1 | Native | Northern America | Northern Mexico | Mexico | Durango | |
1 | Native | Northern America | Northern Mexico | Mexico | Nuevo León | |
1 | Native | Northern America | Northern Mexico | Mexico | San Luis Potosí | |
1 | Native | Northern America | Northern Mexico | Mexico | Sinaloa | |
1 | Native | Northern America | Northern Mexico | Mexico | Sonora | |
1 | Native | Northern America | Northern Mexico | Mexico | Tamaulipas | |
1 | Native | Northern America | Northwestern U.S.A. | United States | Montana | |
1 | Native | Northern America | Northwestern U.S.A. | United States | Wyoming | |
1 | Native | Northern America | South-Central U.S.A. | United States | New Mexico | |
1 | Native | Northern America | South-Central U.S.A. | United States | Texas | |
1 | Native | Northern America | Southeastern U.S.A. | United States | Alabama | |
1 | Native | Northern America | Southeastern U.S.A. | United States | Arkansas | |
1 | Native | Northern America | Southeastern U.S.A. | United States | Delaware | |
1 | Native | Northern America | Southeastern U.S.A. | United States | District of Columbia | |
1 | Native | Northern America | Southeastern U.S.A. | United States | Florida | http://www.plantatlas.usf.edu/main.asp?plantID=1624 |
1 | Native | Northern America | Southeastern U.S.A. | United States | Georgia | |
1 | Native | Northern America | Southeastern U.S.A. | United States | Kentucky | |
1 | Native | Northern America | Southeastern U.S.A. | United States | Louisiana | |
1 | Native | Northern America | Southeastern U.S.A. | United States | Maryland | |
1 | Native | Northern America | Southeastern U.S.A. | United States | Mississippi | |
1 | Native | Northern America | Southeastern U.S.A. | United States | North Carolina | |
1 | Native | Northern America | Southeastern U.S.A. | United States | South Carolina | |
1 | Native | Northern America | Southeastern U.S.A. | United States | Tennessee | |
1 | Native | Northern America | Southeastern U.S.A. | United States | Virginia | |
1 | Native | Northern America | Southern Mexico | Mexico | Chiapas | |
1 | Native | Northern America | Southern Mexico | Mexico | Colima | |
1 | Native | Northern America | Southern Mexico | Mexico | Jalisco | |
1 | Native | Northern America | Southern Mexico | Mexico | México | |
1 | Native | Northern America | Southern Mexico | Mexico | Morelos | |
1 | Native | Northern America | Southern Mexico | Mexico | Nayarit | |
1 | Native | Northern America | Southern Mexico | Mexico | Oaxaca | |
1 | Native | Northern America | Southern Mexico | Mexico | Veracruz de Ignacio de la Llave | |
1 | Native | Northern America | Western Canada | Canada | Alberta | |
1 | Native | Northern America | Western Canada | Canada | Manitoba | |
1 | Native | Northern America | Western Canada | Canada | Saskatchewan | |
4 | Naturalized | | | | | natzd. nearly worldwide |
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)
Economic Uses
Usage | Type | Note | Reference |
Environmental | potential as soil improver | | 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. |
Vertebrate poisons | mammals | | Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada. |
Weed | potential seed contaminant | fide Geigy Weed Tables. 1968 | CIBA-GEIGY, Basel, Switzerland. 1974. The CIBA-GEIGY Weed Tables |