''Gutierrezia texana'' is a North American species of flowering plant in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

known by the common name Texas snakeweed. It is native to the south-central United States (

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe , LargestCity = Albuquerque , LargestMetro = Tiguex , OfficialLang = None , Languages = English, Spanish ( New Mexican), Navajo, Ker ...

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

Oklahoma Oklahoma (; Choctaw language, Choctaw: ; chr, ᎣᎧᎳᎰᎹ, ''Okalahoma'' ) is a U.S. state, state in the South Central United States, South Central region of the United States, bordered by Texas on the south and west, Kansas on the nor ...

, southwestern

Arkansas Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the Osage ...

, northwestern

Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is borde ...

) and northern Mexico as far south as

Guanajuato Guanajuato (), officially the Free and Sovereign State of Guanajuato ( es, Estado Libre y Soberano de Guanajuato), is one of the 32 states that make up the Federal Entities of Mexico. It is divided into 46 municipalities and its capital city i ...

and

Hidalgo Hidalgo may refer to: People * Hidalgo (nobility), members of the Spanish nobility * Hidalgo (surname) Places Mexico * Hidalgo (state), in central Mexico * Hidalgo, Coahuila, a town in the north Mexican state of Coahuila * Hidalgo, Nuevo Le� ...

.Biota of North America Program 2014 county distribution map
/ref> ''Gutierrezia texana'' is an annual, hairless herb up to in height. The plant produces numerous flower heads in loose arrays. Each head usually has 5-36 ray flowers (though sometimes no rays) plus 7–48 disc flowers.Flora of North America, ''Gutierrezia texana'' (de Candolle) Torrey & A. Gray, 1842. Texas snakeweed
/ref> ;Varieties *''Gutierrezia texana'' var. ''glutinosa'' (S.Schauer) M.A.Lane *''Gutierrezia texana'' var. ''texana''

References

External links

USDA Plants Profile for ''Gutierrezia texana'' (Texas snakeweed)Photo of herbarium specimen at Missouri Botanical Garden, collected in Texas in 1828
— ''isotype of Gutierrezia texana''. texana Flora of Texas Flora of Northeastern Mexico Flora of Arkansas Flora of Louisiana Flora of Missouri Flora of New Mexico Flora of Oklahoma Plants described in 1836 Taxa named by Asa Gray Taxa named by Augustin Pyramus de Candolle Taxa named by John Torrey Flora without expected TNC conservation status {{Astereae-stub