A fungal structure formed when aecium and telium stages merge or occur in close association within a rust fungus's reproductive cycle.
Directly from 'aecium' and 'telium' with the Latin neuter singular ending '-ium'. Used in mycological literature since the late 1800s to describe this specific fungal morphology.
Rust fungi are responsible for some of history's worst agricultural disasters—the Irish potato famine involved a fungal pathogen, and understanding these microscopic structures helped scientists prevent future famines by breeding resistant crops.
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