noun
- A fruiting structure of rust fungi that produces spores capable of infecting plant hosts; an aecium.
Usage: botany; mycology; technical term
Examples
- The caeoma stage of the rust fungus releases spores that spread the infection to nearby plants.
- Botanists identified the caeoma structures on the infected leaf tissue under the microscope.
- The caeoma produces cup-shaped fruiting bodies that are characteristic of certain rust species.