Amaranthus crassipes

Last updated

Spreading amaranth
Status TNC G5.svg
Secure  (NatureServe) [1]
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Amaranthaceae
Genus: Amaranthus
Species:
A. crassipes
Binomial name
Amaranthus crassipes
L

Amaranthus crassipes, also known as spreading amaranth, is a glabrous annual plant that is both native and introduced in the United States. In the U.S., it is found in New Mexico, Arizona, Texas, Alabama, South Carolina, and Louisiana. It is also found in Mexico, the West Indies, and South America. [2]

The plant can grow up to two feet in height. It flowers in the summer and fall. It is usually found near wet habitats or disturbed areas.

Two varieties of A. crassipes have been described: A. crassipes var. crassipes and A. crassipes var. warnockii. [3] The major difference appears to be the leaf structure.

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Amaranthus is a cosmopolitan genus of annual or short-lived perennial plants collectively known as amaranths. Some amaranth species are cultivated as leaf vegetables, pseudocereals, and ornamental plants. Most of the Amaranthus species are summer annual weeds and are commonly referred to as pigweeds. Catkin-like cymes of densely packed flowers grow in summer or autumn. Amaranth varies in flower, leaf, and stem color with a range of striking pigments from the spectrum of maroon to crimson and can grow longitudinally from 1 to 2.5 metres tall with a cylindrical, succulent, fibrous stem that is hollow with grooves and bracteoles when mature. There are approximately 75 species in the genus, 10 of which are dioecious and native to North America with the remaining 65 monoecious species endemic to every continent from tropical lowlands to the Himalayas. Members of this genus share many characteristics and uses with members of the closely related genus Celosia. Amaranth grain is collected from the genus. The leaves of some species are also eaten.

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References

  1. "NatureServe Explorer - Amaranthus crassipes". NatureServe Explorer Amaranthus crassipes. NatureServe. 2022-06-22. Retrieved 22 Jun 2022.
  2. Henrickson, James (1999). "Studies in New World Amaranthus (Amaranthaceae)". Contributions to Botany. 18: 783–807 via JSTOR.
  3. "Amaranthus crassipes Schltdl". The Plant List. 2012. Retrieved 20 Apr 2020.