heterospory

noun het·ero·spo·ry \ ˈhe-tə-rə-ˌspȯr-ē , ˌhe-tə-ˈrä-spə-rē \

Definition of heterospory

: the production of microspores and megaspores (as in seed plants)

heterosporous

play \ˌhe-tə-rə-ˈspȯr-əs, -ˈrä-spə-rəs\ adjective

First Known Use of heterospory

1898

in the meaning defined above

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