teliospore

noun

te·​lio·​spore ˈtē-lē-ə-ˌspȯr 

: a chlamydospore that is the final stage in the life cycle of a rust fungus and that gives rise to the basidium

Word History

Etymology

Greek teleios complete (from telos end) + English spore

First Known Use

1905, in the meaning defined above