Acanthaceae (Acanthus Family) Synonym(s): Prairie Petunia, Fringeleaf Wild Petunia, Hairy Ruellia, Low Wild Petunia, Low Ruellia, Fringeleaf Ruellia Base Flower Color: Purple, WhiteReproductive Phenology: May, Jun, Jul, Aug, Sept, OctNotes: This plant has sessile leaves. The other ruellia in TN have petioles. For more information about this plant, Click Here.