Definition of polyphyletic
: of, relating to, or derived from different ancestral stocks; specifically : relating to or being a taxonomic group that includes members (as genera or species) from different ancestral lineages
Origin of polyphyletic
International Scientific Vocabulary, from Greek polyphylos of many tribes, from poly- + phylē tribe — more at phyl-
First Known Use: 1875
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Medical Dictionary: Definition of "polyphyletic"
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