archespore

noun

ar·​che·​spore

ˈärkə̇ˌspō(ə)r

variants or archesporium

ˌ⸗⸗ˈspōrēəm

plural archespores

-rz

or archesporia

-ōrēə

: the cell or group of cells from which spore mother cells develop (as those from which the microspores develop in the pollen sac or the megaspore in the ovule)

archesporial

¦⸗⸗¦spōrēəl

adjective

Word History

Etymology

New Latin archesporium, from arche- + -sporium

First Known Use

1880, in the meaning defined above

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