aecial

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ae·ci·um

A0108100 (ē′sē-əm, ē′shē-)n. pl. ae·ci·a (-sē-ə, -shē-ə) A cuplike structure of some rust fungi that contains chains of aeciospores.
[New Latin, from Greek aikiā, injury, from aikēs, unseemly, injurious : a-, not; see a-1 + eikenai, to seem, be seemly.]
ae′ci·al (ē′sē-əl, -shē-) adj.

aecial

(ˈiːsɪəl) or

aecidial

adjrelating to or resembling an aecium
Thesaurus
Adj.1.aecial - of or belonging to an aeciumaecial - of or belonging to an aecium