Amaranthus retroflexus
American Pigweed
Also known as: Amaranthus bulgaricus Kov. +14 more
- Amaranthus bulgaricus Kov.
- Amaranthus bullatus Besser ex Spreng.
- Amaranthus curvifolius Spreng.
- Amaranthus delilei J.A.Richt. & Loret
- Amaranthus johnstonii Kov.
- Amaranthus patulus subsp. delilei (Richt. & Loret) Nyman
- Amaranthus recurvatus Desf.
- Amaranthus retroflexus f. rubricaulis Thell. ex Probst
- Amaranthus retroflexus subsp. delilei (Richt. & Loret) Tzvelev
- Amaranthus retroflexus subsp. salicifolius I.M.Johnston
- Amaranthus retroflexus var. delilei (Richt. & Loret) Thell.
- Amaranthus retroflexus var. genuinus Thell. ex Probst
- Amaranthus retroflexus var. major Moq.
- Amaranthus retroflexus var. retroflexus
- Amaranthus retroflexus var. rubricaulis Thell.
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Amaranthaceae
- WCVP Morphological Data: Recorded natively as a annual.
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Amaranthus retroflexus (commonly known as American Pigweed) is an annual belonging to the Amaranthaceae family. Naturally occurring in North America, this species is primarily associated with temperate conditions.
Macro Climate
Temperate
Plant Type
Annual
Native Range
Continents (WGSRPD)
NORTHERN AMERICA
Regions (WGSRPD)
Mexico
Botanical Countries (WGSRPD L3)
Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest
Introduced Range
Plants flagged as 'Introduced' have been transported outside their native historical range by human activity. While many are common ornamentals, some may become naturalized or invasive in local environments. Local ecological guidelines require verification prior to planting.
Botanical Countries (Non-Native)
Afghanistan, Alabama, Albania, Alberta, Algeria, Altay, Amur, Argentina Northeast, Argentina South, Arizona, Arkansas, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bolivia, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, British Columbia, Bulgaria, Burkina, California, Cambodia, Canary Is., Central European Russia, Chad, Chile Central, Chile North, China North-Central, China Southeast, Colorado, Connecticut, Corse, Cyprus, Czechoslovakia, Delaware, Denmark, District of Columbia, East Aegean Is., East European Russia, Egypt, Finland, Florida, France, Georgia, Germany, Great Britain, Greece, Gulf States, Hungary, Idaho, Illinois, India, Indiana, Inner Mongolia, Iran, Iraq, Ireland, Irkutsk, Italy, Japan, Kansas, Kazakhstan, Kentucky, Khabarovsk, Kirgizistan, Korea, Krasnoyarsk, Krym, KwaZulu-Natal, Lebanon-Syria, Libya, Louisiana, Madeira, Magadan, Maine, Manchuria, Manitoba, Maryland, Massachusetts, Mauritania, Mexico Northwest, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Montana, Morocco, Nansei-shoto, Nebraska, Netherlands, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, Newfoundland, North Carolina, North Caucasus, North Dakota, Northwest European Russia, Northwest Territories, Norway, Nova Scotia, Nunavut, Ohio, Oklahoma, Ontario, Oregon, Pakistan, Palestine, Paraguay, Pennsylvania, Poland, Portugal, Primorye, Prince Edward I., Québec, Rhode I., Romania, Sakhalin, Sardegna, Saskatchewan, Sicilia, Sinai, South Australia, South Carolina, South Dakota, South European Russia, Spain, Sweden, Switzerland, Tadzhikistan, Tennessee, Texas, Transcaucasus, Trinidad-Tobago, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Ukraine, Uruguay, Utah, Uzbekistan, Venezuela, Vermont, Victoria, Vietnam, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Western Australia, Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yugoslavia, Zambia, Zimbabwe