Thelesperma

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Thelesperma
Thelesperma filifolium.jpg
Thelesperma filifolium
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Coreopsideae
Genus: Thelesperma
Less.
Type species
Thelesperma scabiosoides
Synonyms [1]
  • CosmidiumNutt.

Thelesperma is a genus of North American and South American plants in the cosmos tribe within the sunflower family. [2] [3] [4] Greenthread is a common name for plants in this genus. [5]

Members of the genus are used by a number of the southwestern Native American peoples as an herbal tea; as such, it is sometimes called "Indian tea," "Native American tea," "Native tea," or the name is referenced to the local tribe where the tea was harvested such as "Apache tea," Pueblo tea," "Navajo tea," "Hopi tea," etc. T. megapotamicum contains luteolin. [6] It also appears that many of the species contain a very similar chromatographic profile, and thus may contain very similar profiles of flavenoids. [7] The genus is closely related to parts of Coreopsis and to certain North American Bidens species (including Bidens coronata and Bidens comosa ). [8]

Species [1] [9]

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References

  1. 1 2 Flann, C (ed) 2009+ Global Compositae Checklist
  2. ↑ Lessing, Christian Friedrich. 1831. Linnaea 6(3): 511–513 in Latin
  3. ↑ Flora of North America Vol. 21 Page 199 Thelesperma Lessing, Linnaea. 6: 511. 1831.
  4. ↑ Hansen, C. J., L. Allphin, and M. D. Windham. 2002. Biosystematic analysis of the Thelesperma subnudum complex (Asteraceae). Sida 20: 71–96.
  5. ↑ USDA, NRCS (n.d.). "Thelesperma". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 December 2015.
  6. ↑ Bruce A. Bohm, Tod F. Stuessy (2001), "Flavonoids of the sunflower family (Asteraceae)", Science, 292, doi:10.1126/science.292.5520.1306a, S2CID   220100522
  7. ↑ TE Melchert (1966), "Chemo-Demes of Diploid and Tetraploid Thelesperma Simplicifolium", Am. J. Bot., 53 (10): 1015–1020, doi:10.2307/2440681, JSTOR   2440681
  8. ↑ Crawford, D. J.; Mort, M. E. (2005), "Phylogeny of Eastern North American Coreopsis (Asteraceae-Coreopsideae): insights from nuclear and plastid sequences, and comments on character evolution", American Journal of Botany, 92 (2): 330–336, doi: 10.3732/ajb.92.2.330 , PMID   21652409
  9. ↑ Biota of North America Program 2013 county distribution maps


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