Name: Christine North East Texas (Zone 7b) Shine Your Light!
I reviewed the link that you sent above and the flower looks just like the one in those pics but once again, there wasn't really a good shot of the leaves.
If you cannot see the leaves well enough, I will get a better pic tomorrow. LMK.
May your life be like a wildflower, growing freely in the beauty and joy of each day --Native American Proverb