Uredo /(?)/

U·re·do

Uredo

n.
  1. One of the stages in the life history of certain rusts (order 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. (Bot.)
  2. Nettle rash. See Urticaria. (Med.)