what does uredia mean
uÂ·reÂ·dinÂ·iÂ·um. (yoÍorâ²Ä­-dÄ­nâ²Ä-Ém) also uÂ·reÂ·diÂ·um (yoÍo-rÄâ²dÄ-Ém) n. pl. uÂ·reÂ·dinÂ·iÂ·a (-dÄ­nâ²Ä-É) also uÂ·reÂ·diÂ·a (-dÄ-É) A reddish pustulelike structure that is formed in the tissue of a plant infected by a rust fungus and produces urediniospores.