noun
- Plural of pycnidium; small, flask-shaped or cup-shaped fruiting bodies produced by certain fungi (especially rust fungi) that contain spores.
Usage: mycology; technical; plural form
Examples
- The pycnidia of the rust fungus were visible under the microscope as tiny flask-shaped structures.
- Botanists examined the pycnidia to identify the fungal species affecting the crop.
- The pycnidia produce spermatia, which are involved in the sexual reproduction of rust fungi.
- During the early stages of infection, the plant developed numerous pycnidia on its leaves.