Yep, Ruellia. If it isn't the native one then watch out, it can be extremely invasive. Ask me how I know? I didn't listen to those who told me so & thought I could keep ahead of it. I couldn't.
I am a strong believer in the simple fact is that what matters in this life is how we treat others. I think that's what living is all about. Not what I've done in my life but how I've treated others. ~~ Sharon Brown