noun Phyl·lac·tin·ia \ˌfi ˌlakˈtinēə\

Definition of Phyllactinia

  1. :  a genus of powdery mildews having perithecia with several asci and rigid pointed appendages swollen at the base and occurring on the leaves of various trees and shrubs

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Origin and Etymology of phyllactinia

New Latin, from phyll- + actin ray + -ia — more at actino-

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feeling or affected by lethargy

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