''Thelesperma'' is a genus of

North American North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Ca ...

and South American plants in the cosmos tribe within the sunflower family. Greenthread is a common name for plants in this genus. 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 The Navajo (; British English: Navaho; nv, Diné or ') are a Native American people of the Southwestern United States. With more than 399,494 enrolled tribal members , the Navajo Nation is the largest federally recognized tribe in the United ...

tea," "

Hopi The Hopi are a Native American ethnic group who primarily live on the Hopi Reservation in northeastern Arizona, United States. As of the 2010 census, there are 19,338 Hopi in the country. The Hopi Tribe is a sovereign nation within the Unite ...

tea," etc. '' T. megapotamicum'' contains

luteolin Luteolin is a flavone, a type of flavonoid, with a yellow crystalline appearance. Luteolin is the principal yellow dye compound that is obtained from the plant ''Reseda luteola'', which has been used as a source of the dye since at least the fir ...

. It also appears that many of the species contain a very similar chromatographic profile, and thus may contain very similar profiles of flavenoids. The genus is closely related to parts of '' Coreopsis'' and to certain North American '' Bidens'' species (including ''

Bidens coronata ''Coreopsis nuecensis'', the crown tickseed, is a North American plant species of ''Coreopsis'' in the family Asteraceae. It is native to Texas, Louisiana, and probably Tamaulipas. There are reports of isolated populations in Michigan and Florida ...

'' and ''

Bidens comosa ''Bidens tripartita'' is a common and widespread species of flowering plant in the sunflower family, Asteraceae, commonly known as three-lobe beggarticks, three-part beggarticks, leafy-bracted beggarticks or trifid bur-marigold. It is native to m ...

''). ; SpeciesBiota of North America Program 2013 county distribution maps
/ref> * ''

Thelesperma ambiguum ''Thelesperma'' is a genus of North American and South American plants in the cosmos tribe within the sunflower family. Greenthread is a common name for plants in this genus. Members of the genus are used by a number of the southwestern Native ...

'' - TX NM * ''

Thelesperma burridgeanum ''Thelesperma'' is a genus of North American and South American plants in the cosmos tribe within the sunflower family. Greenthread is a common name for plants in this genus. Members of the genus are used by a number of the southwestern Native ...

'' - TX * ''

Thelesperma filifolium ''Thelesperma filifolium'', commonly known as stiff greenthread, or plains greenthread, is a species of flowering plant in the aster family, Asteraceae. It is often found growing in shallow soils. It prefers disturbed sites in dry, sandy or grav ...

'' -

Coahuila Coahuila (), formally Coahuila de Zaragoza (), officially the Free and Sovereign State of Coahuila de Zaragoza ( es, Estado Libre y Soberano de Coahuila de Zaragoza), is one of the 32 states of Mexico. Coahuila borders the Mexican states of N ...

Nuevo León Nuevo León () is a state in the northeast region of Mexico. The state was named after the New Kingdom of León, an administrative territory from the Viceroyalty of New Spain, itself was named after the historic Spanish Kingdom of León. With a ...

, AZ NM TX LA MS AL AR MO OK KS CO WY NE SD * '' Thelesperma flavodisum'' - TX LA AR * '' Thelesperma graminiformis'' -

* '' Thelesperma longipes'' -

Tamaulipas Tamaulipas (), officially the Free and Sovereign State of Tamaulipas ( es, Estado Libre y Soberano de Tamaulipas), is a state in the northeast region of Mexico; one of the 31 states which, along with Mexico City, comprise the 32 Federal Entiti ...

San Luis Potosí San Luis Potosí (), officially the Free and Sovereign State of San Luis Potosí ( es, Estado Libre y Soberano de San Luis Potosí), is one of the 32 states which compose the Federal Entities of Mexico. It is divided in 58 municipalities and i ...

, AZ NM TX * ''

Thelesperma megapotamicum ''Thelesperma megapotamicum'' is a perennial species of flowering plant in the Asteraceae, aster family known by the common name wild tea and rayless greenthread. It is native to sections of the Americas, including the central United States, where ...

'' -

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

Chihuahua Chihuahua may refer to: Places *Chihuahua (state), a Mexican state **Chihuahua (dog), a breed of dog named after the state **Chihuahua cheese, a type of cheese originating in the state **Chihuahua City, the capital city of the state **Chihuahua Mun ...

, CA OR AZ NM TX UT CO KS MO WY SD MN IL IN MI * '' Thelesperma muelleri'' -

* '' Thelesperma nuecense'' - TX * '' Thelesperma scabridulum'' -

* '' Thelesperma simplicifolium'' - NM TX

Durango Durango (), officially named Estado Libre y Soberano de Durango ( en, Free and Sovereign State of Durango; Tepehuán: ''Korian''; Nahuatl: ''Tepēhuahcān''), is one of the 31 states which make up the 32 Federal Entities of Mexico, situated in ...

, Zacatecas * '' Thelesperma subaequale'' -

* '' Thelesperma subnudum'' -

ALB The alb (from the Latin ''albus'', meaning ''white''), one of the liturgical vestments of the Roman Catholic, Anglican, Lutheran, Methodist, Presbyterian, Reformed and Congregational churches, is an ample white garment coming down to the ank ...

SAS SAS or Sas may refer to: Arts, entertainment, and media * ''SAS'' (novel series), a French book series by Gérard de Villiers * ''Shimmer and Shine'', an American animated children's television series * Southern All Stars, a Japanese rock ba ...

ND MT WY CO NM UT NV AZ * '' Thelesperma subsimplicifolium''

References

External links

* * Coreopsideae Asteraceae genera {{Coreopsideae-stub