Sphaerotheca

noun Sphaero·the·ca \ -ˈthēkə \

Definition of Sphaerotheca

:a genus of powdery mildews (family Erysiphaceae) having perithecia with one ascus and unbranched appendages that resemble hyphae — see hop mildew

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Origin and Etymology of sphaerotheca

New Latin, from sphaer- + theca


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