A primitive or ancestral spore, or the original spore-forming cell in plants, especially in botanical and paleobotanical contexts.
From Greek archi- (first, primitive) + spore (from sporos, seed). A botanical term from the 19th century used in studying plant evolution and fossil spores.
Spores are nature's tiny survivors, and archispore is what botanists call the original spore-making cell—it's the ancestor in your plant's family tree that figured out how to spread life without needing seeds!
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