| uredo | 1. <botany> One of the stages in the life history of certain rusts (Uredinales), regarded at one time as a distinct genus. It is a summer stage preceding the teleutospore, or winter stage. See Uredinales, in the Supplement. 2. <medicine> Nettle rash. See Urticaria. Origin: L, a blast, blight, a burning itch, fr. Urere to burn, to scorch. Source: Websters Dictionary (01 Mar 1998) |
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| uredospore | A type of spore formed by a rustknown as summer spores. InPuccinia graminis the uredospore occurs on wheat. Compare: teliospore. (09 Oct 1997) |