Red Dome Blanketflower, Hopi Blanketflower, Yellow Gaillardia, Slender Gaillardia, Cutleaf Blanketflower - Gaillardia pinnatifida
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Gaillardia pinnatifida - Red Dome Blanketflower, Hopi Blanketflower, Yellow Gaillardia, Slender Gaillardia, Cutleaf Blanketflower.
There are about a dozen species of Blanketflower native to the United States, plus a hybrid cultivar (G. xgrandiflora) which has naturalized in several states. At least one species is found in every state. Most of these are in the western half of the country, and Gaillardia pinnatifida is one of those western species, found in well drained soils of the plains and open forests from Texas north to Kansas and west to Arizona and Nevada. Gaillardia pinnatifida blooms mostly from May through July, but may be found occasionally as early as March and as late as October.
Found in:
AZ, CO, NM, NV, OK, TX, UT | 
Distribution of Gaillardia pinnatifida in the United States and Canada:
Blue=Native; Grey=Introduced
Map from USDA Plants Database:
USDA, NRCS. 2017. The PLANTS Database (http://plants.usda.gov, 16 Jan 2025). National Plant Data Team, Greensboro, NC 27401-4901 USA.
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| | Site: Grand County, UT Date: 2019-May-01 | Photographer: Gerald C. Williamson
Nikon D7000
Tamron SP 90MM f/2.8 AF Macro | | Gaillardia pinnatifida has 5 to 14 ray florets, although it occasionally will have none. They are yellow (sometimes tinged with purple at the base or backside) and deeply 3-lobed at the tip. | | 
| | Site: Grand County, UT Date: 2019-May-01 | Photographer: Gerald C Williamson | | The flower head of Red Dome Blanketflower is about 2 inches across, with the disc forming a (usually) red dome. | | Click on the photo for a larger image
| | Site: Grand County, UT Date: 2019-May-01 | Photographer: Gerald C Williamson | | The disc of Gaillardia pinnatifida will usually have 60 to as many as 100 fertile florets. The hairy corolla tube, usually purplish on the ends and yellowish at the base (although sometimes fully yellow) is short and wide, giving a good display of the spreading stamens. | | Click on the photo for a larger image
| | Site: Grand County, UT Date: 2019-May-01 | Photographer: Gerald C Williamson | | Red Dome Blanketflower is usually 1 to 3 feet tall. The leaves are mostly basal, with some smaller stem leaves on the lower part of the stem. | | Click on the photo for a larger image
| | Site: Grand County, UT Date: 2019-May-01 | Photographer: Gerald C Williamson | | The peduncles and phyllaries of Gaillardia pinnatifida are hairy. | | Click on the photo for a larger image
| | Site: Grand County, UT Date: 2019-May-01 | Photographer: Gerald C Williamson | | Both the cauline (stem) and basal leaves of Gaillardia pinnatifida are usually pinnately lobed, although there are reports that they are occasionally entire. | | Click on the photo for a larger image
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References used for identification and information:
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