I found these out in a field at my mom's the other day along with some butterfly weed. I would like to know what they are to see if they are perenial or grown from seed. The resemble a tiny petunia, but the leaves are similar to a primrose.
The leaves are not glosst, they are a medium green with tiny hairs all over the oval shaped leaves. The leaves are exactly like what is on my evening primrose leaves. The blossoms have spotting one their thoats. They spread across about 6-8 inches and are no more than 3-4 inches high. Thanks for your help.
Ruellia humilis, perhaps? Also known as Fringe-Leaf Petunia, Low Ruellia, and Wild Petunia. Here's a link with a picture and a bit of information on them: http://www.toadshade.com/RuelliHu.html
It's funny you posted this - I found the same plants growing in my neighbor's cow pasture, right behind my compost pile. Since I have permission to access his property for manure and other gardening delights, I slipped over the fence and dug up a few, much to the cows' chagrin, to start in my own garden.
I was trying to figure out what they were (I also had the same thought that they were some sort of evening primrose), when I saw your post, and started searching for Ruellia species that might fit the description.