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Atriplex patula

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(Redirected from Spreading orache) Species of flowering plant

Atriplex patula
Conservation status

Secure  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Amaranthaceae
Genus: Atriplex
Species: A. patula
Binomial name
Atriplex patula
L.

Atriplex patula (spear saltbush; common orache; spear orach; spreading orach; /ˈɒrətʃ/) is a ruderal, circumboreal species of annual herbaceous plant in the genus Atriplex naturalized in many temperate regions.

Description

Atriplex patula grows to be between 50 and 80 centimetres (20 and 31 inches) tall. The branches extend outwards from the stem with rhomboid leaves and separated clusters of flowers. The species accumulates salt from the environment in its tissues. Unlike other Atriplex species, it lacks notable salt bladders to excrete salt onto the leaves.

  • Atriplex patula, female flower with bracteoles and seed Atriplex patula, female flower with bracteoles and seed

Taxonomy

The species was a member of the family Chenopodiaceae, now part of Amaranthaceae, the amaranth family.

Distribution and habitat

The species has a wide range, including semi-arid deserts and coastal areas in Asia, North America, Europe, and Africa. It commonly grows along roads and waste sites.

Although it is commonly asserted that the species has been naturalized in North America only since the 18th century, seeds ascribed to this species occur on the west coast of North America in buried marsh deposits that predate European contact.

Uses

The young leaves and shoots are edible raw or cooked and suffice as a spinach substitute, but are bland on their own.

The species has been proven to be effective in lowering salt content in soils when planted in areas with high road salt contamination.

References

  1. "orache". Oxford English Dictionary third edition. Oxford University Press. June 2004. Retrieved 7 December 2018.
  2. ^ Sukhorukov, Alexander; Kushunina, Maria; Verloove, Filip (2016-07-14). "Notes on Atriplex, Oxybasis and Dysphania (Chenopodiaceae) in West-Central Tropical Africa". Plant Ecology and Evolution. 149 (2): 249–256. doi:10.5091/plecevo.2016.1181.
  3. ^ Mann, Ellen; Rutter, Allison; Zeeb, Barbara (October 2020). "Evaluating the efficacy of Atriplex spp. in the phytoextraction of road salt (NaCl) from contaminated soil". Environmental Pollution. 265 (Pt B): 114963. doi:10.1016/j.envpol.2020.114963. PMID 32806446. S2CID 221162683.
  4. Prokopiev, I. A.; Filippova, F. V.; Shein, A. A. (March 2012). "Effect of anthropogenic pollution with dust containing heavy metals on seed progeny of spear saltbush". Russian Journal of Plant Physiology. 59 (2): 212–216. doi:10.1134/S1021443712020148. ISSN 1021-4437. S2CID 17780607.
  5. Flora of North America Editorial Committee (ed.). "Atriplex patula". Flora of North America North of Mexico (FNA). New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  6. NRCS. "USDA PLANTS Profile". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 2008-05-20.
  7. Sherrod BL, 2001. Geological Society of America Bulletin 113, 1299-1311.
  8. Milker Y, et al., 2016. Quaternary Science Reviews 142, 143-163.
  9. Mabey, Richard (2012). Food for Free. London: Collins. p. 104. ISBN 978-000-743847-1.
  10. Francis-Baker, Tiffany (2021). Concise Foraging Guide. The Wildlife Trusts. London: Bloomsbury. p. 54. ISBN 978-1-4729-8474-6.
Taxon identifiers
Atriplex patula


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