heterogamous

Etymology
From.

Adjective

 * 1)  in which the stamens and pistils are not present in every flower; i.e. there are male and female flowers
 * 2) in the daisy family Asteraceae, having two types of flowers in a flower head (such as some sterile, some hermaphrodite, or some female, some hermaphrodite)
 * 3)  characterized by alternating generations of a parthenogenetic and sexual nature
 * 4)  involving heterogametes in the reproductive process