This is a first bloom for this plant and I would not be surprised if it was incorrectly labelled when i got it because it sure looks like Don Wimber and is almost 5" across. Difficult to capture the very pale but quite visible peach of the petals.
The staminode is not the same as Jason Fischer. Don Wimber would be indeed a better bet. One thing I don't like about it is the crimping at the end of the petals. But this could disappear in subsequent flowers.