Ruellia caroliniensis, the Carolina wild petunia,[1] is a wild petunia with blue or violet flowers that appear in the spring, summer, and autumn. Its leaves are light green.[2] This species is native to the southeastern United States.
^USDA, NRCS (n.d.). "Ruellia caroliniensis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 25 October 2015.
Ruelliacaroliniensis, the Carolina wild petunia, is a wild petunia with blue or violet flowers that appear in the spring, summer, and autumn. Its leaves...
American Ruellia species suggest a close relationship with Ruelliacaroliniensis, which grows across the United States southeast. "Ruellia noctiflora"...
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