urediospore

American  

[yoo-ree-dee-uh-spawr, -spohr] / jʊˈri di əˌspɔr, -ˌspoʊr /

Also uredospore

noun

Mycology.

1. the spore of the rust fungi that appears between the aeciospore and the teliospore, commonly the summer spore.

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Etymology

Origin of urediospore

First recorded in 1870–75; uredi(um) + -o- + spore