anisogamous
/ˌænɪˈsoʊɡəməs/Definitions
1. adjective
Having gametes of different sizes, especially in plants, where the male gamete is smaller than the female gamete.
“The anisogamous reproductive process of ferns involves the fusion of large female gametes with smaller male gametes.”
2. noun
An organism that exhibits anisogamy, especially in plants.
“The anisogamous ferns have evolved to produce larger female gametes that are more competitive in the reproductive process.”