Aecium(redirected from aecial)
Also found in: Dictionary, Thesaurus.
The fruiting body or sporocarp of rust fungi.
one of the types of sporiferous structures of rust fungi. Each aecium has a peridium; the aeciospores are produced in strings within. The genus name Aecidium is applied to some rust fungi that do not exhibit other types of sporiferous structures.