uredo

A form-genus or stage in the development of fungi of the order Uredineæ.

[lowercase] A receptacle or hymenium in which uredospores are produced.

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.

Nettle rash. See Urticaria.

A summer stage in the life history of certain rusts (Uredinales), regarded at one time as a distinct genus, and preceding the teleutospore, or winter stage.

urticaria; nettle-rash