| Grindelia oolepis | |
|---|---|
| Scientific classification  | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Asterids | 
| Order: | Asterales | 
| Family: | Asteraceae | 
| Genus: | Grindelia | 
| Species: | G. oolepis  | 
| Binomial name | |
| Grindelia oolepis S.F.Blake 1928  | |
| Synonyms[1] | |
| 
 Grindelia oölepis S.F.Blake  | |
Grindelia oolepis, the plains gumweed,[2] is a North American species of flowering plants in the family Asteraceae. It is native to the south-central United States, having been found only in the State of Texas.[3]
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.[1]
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.[4]
References
- 1 2 Flora of North America, Grindelia oölepis S. F. Blake, 1928
 - ↑ USDA, NRCS (n.d.). "Grindelia oolepis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. 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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