Coleosporium

noun
Co·​le·​o·​spo·​ri·​um | \ -lēəˈspōrēəm, -spȯr-\

Definition of Coleosporium

: a genus of rusts (family Melampsoraceae) having the teliospores united in a single-layered or double-layered waxy cushion

History and Etymology for Coleosporium

New Latin, from cole- + -sporium

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