Meaning of cleistothecium

cleis•to•the•ci•um

Pronunciation: (klī"stu-thē'shē-um, -sē-um), [key]
— pl. -ci•a
  1. (in certain ascomycetous fungi) a closed, globose ascocarp from which the ascospores are released only by its rupture or decay.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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