Different phenos at least.
Yes a female can get knocked up by as many different males as there are receptor sites!!!
Also, even if the female is knocked up by the SAME male, and the two plants are different enough that the offspring are F1 hybrids (so the femal and male were not from the same IBL) remember your punnet squares from Biology class, you will end up wtih 3 different pairs of genes FOR EACH TRAIT! like AA, Aa, and aa. If 'A' is dominant and 'a' is the recessive counterpart, you get 1/4 homozygous dominant, 2/4 heterozygous dominant, and 1/4 homozygous recessive- shich is the only one to display the recessive trait. I mean, even look at the variation in markings and coat color in a litter of mixed breed puppies!