heterospory

/ˈhɛtərəˌspɔri/
noun
  1. The condition of producing two different types of spores, one male and one female, typical of seed plants and some ferns.
    • The shift from homospory to heterospory occurred millions of years ago.
    • Heterospory is an important evolutionary step toward the development of seeds.
    • Scientists study heterospory to understand how plants adapted to dry environments.
Antonyms
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