in former classifications
: a genus of fungi (family Pythiaceae) comprising a single species (P. citrophthora) that causes brown rot of citrus fruits and gummosis of citrus and other fruits and is now usually included in Phytophthora

Word History


New Latin, from pythia- (from Pythium) + -cystis

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Dictionary Entries Near Pythiacystis

Cite this Entry

“Pythiacystis.” Dictionary, Merriam-Webster, Accessed 16 Jun. 2024.

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