Thelesperma
| Thelesperma | |
|---|---|
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| Thelesperma filifolium | |
| Scientific classification | |
| Kingdom: | |
| (unranked): | |
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| Family: | |
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| Genus: | Thelesperma |
| Type species | |
| Thelesperma scabiosoides | |
| Synonyms[1] | |
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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 "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]
- Thelesperma ambiguum - TX NM
- Thelesperma burridgeanum - TX
- Thelesperma filifolium - Coahuila, Nuevo León, AZ NM TX LA MS AL AR MO OK KS CO WY NE SD
- Thelesperma flavodisum - TX LA AR
- Thelesperma graminiformis - Nuevo León
- Thelesperma longipes - Coahuila, Nuevo León, Tamaulipas, San Luis Potosí, AZ NM TX
- Thelesperma megapotamicum - Argentina, Chihuahua, Coahuila, Nuevo León, CA OR AZ NM TX UT CO KS MO WY SD MN IL IN MI
- Thelesperma muelleri - Nuevo León
- Thelesperma nuecense - TX
- Thelesperma scabridulum - Nuevo León
- Thelesperma simplicifolium - NM TX Coahuila, Nuevo León, Tamaulipas, Durango, Zacatecas
- Thelesperma subaequale - Nuevo León
- Thelesperma subnudum - ALB SAS ND MT WY CO NM UT NV AZ
- Thelesperma subsimplicifolium
References
- ^ a b c Flann, C (ed) 2009+ Global Compositae Checklist
- ^ Lessing, Christian Friedrich. 1831. Linnaea 6(3): 511–513 in Latin
- ^ Flora of North America Vol. 21 Page 199 Thelesperma Lessing, Linnaea. 6: 511. 1831.
- ^ Hansen, C. J., L. Allphin, and M. D. Windham. 2002. Biosystematic analysis of the Thelesperma subnudum complex (Asteraceae). Sida 20: 71–96.
- ^ USDA, NRCS (n.d.). "Thelesperma". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 December 2015.
- ^ Bruce A. Bohm, Tod F. Stuessy (2001), "Flavonoids of the sunflower family (Asteraceae)", Science, 292, doi:10.1126/science.292.5520.1306a
- ^ TE Melchert (1966), "Chemo-Demes of Diploid and Tetraploid Thelesperma Simplicifolium", Am. J. Bot., 53 (10): 1015–1020, doi:10.2307/2440681, JSTOR 2440681
- ^ 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, doi:10.3732/ajb.92.2.330, PMID 21652409
- ^ Biota of North America Program 2013 county distribution maps
External links
Media related to Thelesperma at Wikimedia Commons
Data related to Thelesperma at Wikispecies
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