summum genus

summum ge·​nus | \ -ˈgānəs; -ˈjēnəs\
plural summa genera\ ¦su̇məˈgenərə , ¦süm-​ ; ¦səməˈjenərə \

Definition of summum genus

: a genus that can undergo logical division : a genus that cannot be classed as a species — compare tree of porphyry

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History and Etymology for summum genus

New Latin

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miscellaneous remnants or debris

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