cross-fertilized

from The Collaborative International Dictionary of English v.0.48

Cross-fertilize \Cross"-fer"ti*lize\, v. t. [imp. & p. p.
   {Cross-fertilized}; p. pr. & vb. n. {Cross-fertilizing}.]
   (Bot.)
   To fertilize, as the stigmas of a flower or plant, with the
   pollen from another individual of the same species.
   [Webster 1913 Suppl.]