Paph. Helvetia mutation

[jenn]

I have had this Paph for years. It is a big, robust (almost weed-like) plant. It gives multiple spikes which sequentially bloom at least twice a year. A generous plant indeed, but I have always wondered why many of the blooms will have a deformed staminode. The hybrid has such a lovely flower when it is "normal", I am hoping there might be something I could do to prevent these mutations. Here is a photo...