Hi Steve, this forb came up in an area under a post oak in an area I burned in early March. It looks like Ruella, but the stalk is upright, and the throat is not as deep. The petals are firmer, more reflexed, and rounder. The leaves also look like an upright “purple wave”. I can send another image of the leaves and stem if it would help assist. The flower is about 3.5-in across. Thanks for all you do!
I hope you won’t hate me, but I must call this a Petunia – Petunia grandiflora. There are other scientific names for the cultivated petunia, including Petunia x atkinsiana, Petunia violacea, and so on. It occasionally comes up on its own. Ruellia, the wildflower, is often called Wild petunia – so there is a resemblance. If you think I am wrong, let me know, please ! I don’t mind disagreement – but please back it up with more pictures. I hope this helps. Sincerely, Steve Hill SCNPS