[klahy-stuh-thee-shee-uh m, -see-uh m]
- (in certain ascomycetous fungi) a closed, globose ascocarp from which the ascospores are released only by its rupture or decay.
Origin of cleistothecium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- A closed spherical ascocarp, such as the truffle.
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