I know, tricky group,
but, again, I suspect mislabeling by nursery, got a larger delivery today.

on the right a "Aster pyrenaeus Lutetia" on the left a "Aster pringlei Pink Star"

what had me thinking that the one labeled " Lutetia" (which grows about 2 feet high and is somewhat sprawling) has those upright tall stalks and

the so called "Aster pringlei Pink Star" (which should get about 4 feet high and is non-flopping) featured shorter, tender soft stalks.

Both plants are new to me (which comes back to bite me...),
can you help with this muddle?

Thanks a lot for your help, tired and sunroasted, Lin