Interesting. It's got the alternating colored petals/sepals going like belotii and allardii, but those have a dark corona. x violacea 'Autopurpurea" has the same form and a light corona like this, but the petals/sepals are more uniformly pink. This is a hybrid that's been repeated many times, so there are a variety of forms floating around out there. The leaf form seems correct for this, so my guess is that you have a violacea variant.

The good news is that it is supposedly easy to cultivate. :-)

Ya not Margaret.. As you have figured out. I don't remember what the parents of 'belotti' are- But every time you do a cross you get children who are all over the place between the two parents & perhaps even a few who might cause you to ask "Where did that come from?"

So... Yeah. I'm curious as to if it's fertile- Might get some interesting crosses from it if you choose to play 'breeder'.

I presume from your post that this is the first flower? Most likely as the plant settles down and light levels improve the petals and sepals will look more uniform. I think jblaschke is quite correct that it is one of the x violacea variants. The link shows how washed out flowers can become in low light levels with the usually purple P. 'Amethyst' flower being white.

Here is a link that might be useful: P. 'Amethyst'

It had a couple of blooms on it when I bought it last year, but I forgot completely what they looked like between then and now. This is the first bloom this year. In checking out different sites, I found two candidates that look really close to mine. Let me know what you think. One is violacea Victoria, and the other is violacea Form #3.

http://davesgarden.com/guides/pf/go/55273/

Here is a link that might be useful: Violacea Victoria