''Gaillardia pinnatifida'', the Hopi blanketflower or red dome blanketflower, is a perennial plant in the sunflower family ( Asteraceae) found in northern Mexico (

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 ...

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 ...

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 ...

Sonora Sonora (), officially Estado Libre y Soberano de Sonora ( en, Free and Sovereign State of Sonora), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is d ...

) and in the south-central and southwestern United States (from southwestern Kansas south to central Texas and west as far as southern Nevada).Canyon Country Wildflowers, Damian Fagan, 2nd ed., 2012, Morris Bush Publishing, LLC. in cooperation with Canyonlands Natural History Association, Biota of North America Program 2014 county distribution map
/ref>

Description

''Gaillardia pinnatifida'' is a perennial growing to with hairy, wavy to lobed leaves up to long, growing to halfway up the stem, with a solitary flower head on top having 7-12 yellow ray flowers and numerous densely packed orange-brown to purple

disk flowers 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 ...

. The ray flowers are three-lobed, often deeply.Flora of North America, ''Gaillardia pinnatifida'' Torrey, 1827.
/ref> ''Gaillardia pinnatifida'' displays considerable variation across its range, so much so that some authors have divided ''G. pinnatifida'' into varieties or distinct species. These taxa intergrade with each other, so Flora of North America and the Kew Garden Plant ListThe Plant List, ''Gaillardia pinnatifida'' Torr.
/ref> does not recognise any of these as separate taxa. Many populations in Arizona have unlobed leaves, unlike the deeply divided leaves farther to the north, and populations in Utah have yellow rather than brown or purple disc flowers, as well as gland-dots in the leaves.

Habitat

''Gaillardia pinnatifida'' can be found in blackbrush scrub, mixed

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

- grasslands, and

pinyon juniper woodland Pinon, Piñon, Piñón, or Pinyon may refer to: * Pinyon pine (piñon pine), a group of several species of North American pine trees (genus ''Pinus'') ** the edible pine nuts of these trees ** Pinyon-juniper woodland * the edible seeds of the Sout ...

communities.

References

External links

Southwest Colorado WildflowersPlants for a Future
pinnatifida Flora of Northeastern Mexico Flora of the Southwestern United States Flora of the Great Plains (North America) Flora of the United States Flora of the South-Central United States Flora of Sonora Plants described in 1827 Taxa named by John Torrey Flora without expected TNC conservation status {{Helenieae-stub