uredium


u·re·din·i·um

U0146400 (yo͝or′ĭ-dĭn′ē-əm) also u·re·di·um (yo͝o-rē′dē-əm)n. pl. u·re·din·i·a (-dĭn′ē-ə) also u·re·di·a (-dē-ə) A reddish pustulelike structure that is formed in the tissue of a plant infected by a rust fungus and produces urediniospores.
[New Latin ūrēdinium, from Latin ūrēdō, ūrēdin-, blight, from ūrere, to burn.]

uredium

(jʊˈriːdɪəm) or

uredinium

n, pl -dia (-dɪə) or -dinia (-ˈdɪnɪə) (Botany) a spore-producing body of some rust fungi in which uredospores are formed. Also called: uredosorus [C20: from New Latin, from uredo] uˈredial adj