Rob Sacilotto has used this philosophy successfully to
form hybrids between Sarraceniae whose flowers were of
very different sizes.
.....
Barry - have you had any experience with this effect?
It might explain my inconsistent results... little suckers have to fit
each other! S. rubra and psittacina serve as recipient but not pollen
provider for the big S. flava and leuco. I'll have to check my notes
(like I have a lot) to see if it seems to be born out with my crosses.
Tom, (in Florida)