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Noun: cleistothecium (cleistothecia)  ,klI-stu'thee-shee-um
  1. Closed spore-bearing structure of some fungi (especially Aspergillaceae and Erysiphaceae) from which spores are released only by decay or disintegration
    - cleistocarp

Derived forms: cleistothecia

Type of: ascocarp

Encyclopedia: Cleistothecium