urediospore

[ yoo-ree-dee-uh-spawr, -spohr ]

/ yʊˈri di əˌspɔr, -ˌspoʊr /

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

Also u·re·do·spore

[yoo-ree-duh-spawr, -spohr] /yʊˈri dəˌspɔr, -ˌspoʊr/.

Origin of urediospore

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

In such a case "its uredospore progeny will thenceforth readily infect that species."

Makers of British Botany; a collection of biographies by living botanists |Various

uredospore

/ (jʊˈriːdəʊˌspɔː) /

any of the brownish spores that are produced in each uredium of the rust fungi and spread the infection between hosts