I have heard the same thing about what each parent does but haven't paid enough attention to make any kind of judgement. I don't hardly every cross two parents both ways, no reason I just haven't done it much. This year I did cross HEATHER GRACE and a seedling both ways and I will pay attention to this because I am Interested in this seedling form. I could only get one seed pod on Heather, which is one more than Larry said I would get. This is a photo of both side by side. You can see how the seapals on both are droped much lower than the petals.
This is the seedling with all the stuff in the center
In my mind this cross either should be very interesting.