Gaillardia amblyodon grows in open, sunlit locations on sandy soils. It is an annual herb up to 45 cm (18 in) tall with leafy stems. Each flower head is on its own flower stalk up to 15 cm (5.9 in) long. Each head has 8-12 red or purple (rarely yellow) ray flowers surrounding 30-60 disc flowers (yellow with purple tips). The species appears to be closely related to the more widespread G. pulchella.
- Tropicos, Gaillardia amblyodon J. Gay
- "Gaillardia amblyodon". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 16 July 2015.
- The Plant List, Gaillardia amblyodon J.Gay
- Biota of North America Program 2014 county distribution map
- Flora of North America, Gaillardia amblyodon Gay, 1839.
- Nature Photography Challenge, FIVE x 365, 556 Maroon Blanketflower photo
- Plant Illustrations, Gaillardia links to old botanical illustrations of this and several other species