Equisetum bogotense

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Andean horsetail

Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Subclass:	Equisetidae
Order:	Equisetales
Family:	Equisetaceae
Genus:	Equisetum
Species:	E. bogotense
Binomial name
*Equisetum bogotense* Kunth

Equisetum bogotense, the Andean horsetail, is a herbaceous perennial that reproduces through spores. It has thicker, less bushy^{[clarification needed]} whorled branches, and a silica rich rhizomatous stem, which roots grow out of, under ground. This stem is a dull dark brown color with glabrous growth aside from the sheathed segments. The plant has a history as a traditional herbal remedy, and a study of its diuretic effects on humans showed significant increases in urinary sodium, potassium, and chloride. Human and animal trials of indicate that E. bogotense has "high" efficacy as a diuretic.^[1] It is used in several modern herbal supplements.^[2] The species epithet refers to Bogotá, the capital of Colombia.

A segregate species, Equisetum rinihuense, has been described.

According to a recent study,^[3] this species may be the most isolated of all the genus, as it is more closely related with fossil Equisetums rather than living ones.

References

^ Wright, CI; Van-Buren, L; Kroner, CI; Koning, MM (October 2007). "Herbal medicines as diuretics: a review of the scientific evidence". J Ethnopharmacol. 114 (1): 1–31. doi:10.1016/j.jep.2007.07.023. PMID 17804183.
^ "75-Day Premarket Notification for New Dietary Ingredients" (PDF). Food and Drug Administration. Archived from the original (PDF) on 2017-05-21. Retrieved 2019-12-16.
^ Elgorriaga, A.; Escapa, I.H.; Rothwell, G.W.; Tomescu, A.M.F.; Cúneo, N.R. (2018). "Origin of Equisetum: Evolution of horsetails (Equisetales) within the major euphyllophyte clade Sphenopsida". American Journal of Botany. 105 (8): 1286–1303. doi:10.1002/ajb2.1125. PMID 30025163.

External links

Taxon identifiers
Equisetum bogotense	Wikidata: Q4744883 Wikispecies: Equisetum bogotense CoL: 6FYFH EoL: 6069575 EPPO: EQUBO FNA: 242431137 GBIF: 7287803 iNaturalist: 327479 IPNI: 329489-2 NCBI: 127539 Open Tree of Life: 140069 Plant List: tro-26605510 POWO: urn:lsid:ipni.org:names:329489-2 Tropicos: 26605510 WFO: wfo-0001111454

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