Solanum jamesii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Solanales
Family: Solanaceae
Genus: Solanum
Species:
S. jamesii
Binomial name
Solanum jamesii
Torr.
Tubers of Solanum jamesii

Solanum jamesii (common names: wild potato or Four Corners potato)[1] is a species of nightshade. Its range includes the southern United States. All parts of the plant, and especially the fruit, are toxic, containing solanine when it matures. The tubers were/are eaten raw or cooked by several Native American tribes,[2][3] but they require leaching and boiling in clay in order to be rendered edible. The tubers are small when compared to familiar varieties of S. tuberosum.[4]

Escalante Valley in Utah boasts the oldest archaeologically documented cultivation sites of the Four Corners potato, dating back over 7,000 years, and the plant is so prevalent there that a former name for the area was "Potato Valley".[5] S. jamesii is sometimes grown in yards or gardens as an ornamental plant, and there have been recent experiments in Escalante, Utah to start growing it as a food vegetable again, making use of the lower-alkaloid cultivars selected by the natives.[6] According to cultivariable.com, "The primary glycoalkaloid in this species is tomatine, unlike the domesticated potato, in which the primary glycoalkaloids are solanine and chaconine."

References

  1. USDA, NRCS (n.d.). "Solanum jamesii". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 17 November 2015.
  2. "NAEB Text Search". Native American Ethnobotany DB. Retrieved 3 December 2018.
  3. Kinder, David H.; Adams, Karen R.; Wilson, Harry J. (2017). "Solanum jamesii: Evidence for Cultivation of Wild Potato Tubers by Ancestral Puebloan Groups". Journal of Ethnobiology. Society of Ethnobiology. 37 (2): 218. doi:10.2993/0278-0771-37.2.218. S2CID 90864671.
  4. "The ancient potato of the future". The Counter. 23 November 2021. Retrieved 6 December 2021.
  5. "Utah home to earliest use of wild potato in North America | UNews".
  6. "Did potato cultivation begin in Utah's Escalante Valley 11,000 years ago?".


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