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Ruellia sp.
Wild Petunia potted in the Wichita Mountains Wildlife Refuge, Oklahoma.
Spotted on Aug 4, 2015
Submitted on Aug 4, 2015
2 Comments
I agree with Ashley. This looks like a wild petunia (Ruellia sp.). Usually the flowers are a purple; white flowers are unusual.
The USDA Plant Database lists 5 species for Oklahoma (all of which occur down here in Georgia).
To identify to the species, you'll need information on the flower tube and the leaf shape etc. If the leaves directly below the flower belong to the flower, this may be the Fringeleaf Wild Petunia (Ruellia humilis) - but you'd need to confirm.
Wild petunia, Ruellia sp? https://en.wikipedia.org/wiki/Ruellia