pycnidien

OBS: p. ex. tache pycnidienne chez le champignon

OBS: e.g. pycnidial stage in rust
OBS: pycnidium (plurial pycnidia); pycnium: one of the small flask-shaped fruit bodies of a rust fungus formed in clusters just beneath the surface of the host tissue, produced as a result of infection by a single basidiopore, and producing haploid flexuous hyphae and pycniospores.