Sandi - I am positive that some of the seeds I received from you were a cross of Trahlyta. I remember looking at the name, thinking it was a misspelling of some name.
It might be a seedling from one of those! It may have also been a Trahlyta x unknown seeds.
Polymerous - yes, that sepal does looking odd, but it catches my eye every time it blooms. The color and shape of the bloom looks so different than anything else that blooms. I need to go through my seed stash to see if I got any seeds from it last year. I think I did and may need to grow some of its children.