With chimera African violets, just when I think I have seen it all, I come to the realization there is plenty more (surprises) to see. When I saw the below image I realized that I have see this occur on my own Granger Sugar Frost just a couple of times randomly over many years. But never as a regular bloom feature on one plant! Wow! I copied the below image from the fuzzy Foliage Blog. You need to click on this link Fuzzy Foilage Blog to get a bit more information.