Source : Webster's Revised Unabridged Dictionary (1913)

Heterosporic \Het`er*o*spor"ic\, Heterosporous
\Het`er*o*spor"ous\, a. [Hetero- + spore.] (Bot.)
   Producing two kinds of spores unlike each other.

Source : WordNet®

heterosporous
     adj : characterized by heterospory