Erysiphe

noun

Er·​y·​si·​phe

ˌerəˈsī(ˌ)fē

: a genus of powdery mildews (family Erysiphaceae) having perithecia with several asci and with usually unbranched appendages resembling hyphae

Word History

Etymology

New Latin, from Greek erysi- red + siphōn tube

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