American Pigweed
Amaranthus retroflexus L.
Amaranthus retroflexus is a flowering plant in the Amaranthaceae family, commonly known as American Pigweed. It is native to North America and has been introduced to other regions, including parts of Europe and Brazil. The plant was first described in 1753 by Carl Linnaeus.
Description
Amaranthus retroflexus is a member of the genus Amaranthus, which includes various species of amaranths and pigweeds. It is widely distributed across Canada, the United States, and parts of Europe, including Portugal, the Açores, and Madeira. The plant is also found in Brazil and Turkey. Common names for this species include red-root amaranth, redroot pigweed, and common tumbleweed. It is an annual herb that often grows in disturbed soils and is considered a weed in agricultural settings.
Other common names
Redroot amaranthAmerican PigweedCareless WeedCarelessweedCommon AmaranthPigweed RedrootRed-Root AmaranthRedrootRedroot PigweedReflexed AmaranthRough PigweedWild-Beet AmaranthCommon Tumble Weedgreen amaranthRed Rooted Pigweed
Distribution
Newfoundland · Alberta · British Columbia · Manitoba · New Brunswick · Nova Scotia · Northwest Territories · Ontario · Prince Edward Island · Quebec · Saskatchewan · Saint Pierre and Miquelon · Açores · Madeira · Portugal Continental · BR · Pico Island · Terceira Island · Madeira Island · TR · TW · RU · ZA · CL · HR · IE · EG · Belgium · Brussels-Capital Region · Flemish Region
Synonyms
Amaranthus bulgaricusAmaranthus bullatusAmaranthus curvifoliusAmaranthus delileiAmaranthus johnstoniiAmaranthus recurvatusAmaranthus retroflexus var. delileiAmaranthus retroflexus subsp. delileiAmaranthus retroflexus var. rubricaulisAmaranthus retroflexus f. rubricaulisAmaranthus retroflexus var. salicifoliusAmaranthus rigidusAmaranthus spicatusAmaranthus strictusGalliaria retroflexaGalliaria scabraAmaranthus retroflexus var. retroflexus
