pycnium

noun
pyc·​ni·​um | \ ˈpiknēəm\
plural pycnia\ -​ēə \

Definition of 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 basidiospore, and producing haploid flexuous hyphae and pycniospores

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History and Etymology for pycnium

New Latin, from pycn- + -ium

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