Grindelia oölepis S.F.Blake
Grindelia oolepis, the plains gumweed, is a North American species of flowering plants in the daisy family It is native to the south-central United States, having been found only in the State of Texas.
Grindelia oolepis grows in black clay soils. It is a perennial herb up to 70 cm (28 in) tall. The plant usually produces only one flower head per stem. Each numerous disc flowers but no ray flowers.
Some authors spell the epithet as oölepis, with two dots over the second o to indicate that each o is to be pronounced in a separate syllable. The dots are optional; either spelling is equally correct.
- Flora of North America, Grindelia oölepis S. F. Blake, 1928
- "Grindelia oolepis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 18 July 2015.
- Biota of North America Program 2014 county distribution map
- International Code of Nomenclature for algae, fungi, and plants (Melbourne Code) section 60.6
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