polyphyleticadj.

Brit.

/ˌpɒlɪfʌɪˈlɛtɪk/, U.S.

/ˈˌpɑliˌfaɪˈlɛdɪk/

Origin: A borrowing from German. Etymon: German polyphyletisch.

Etymology: < German polyphyletisch (1873 in the passage translated in quot. 1875 at main sense; < poly- poly- comb. form + phyletisch phyletic adj., after Polyphylet , noun ( Haeckel Natürliche Schöpfungsgeschichte (1868) xix. 511)): see -ic suffix. Compare slightly earlier monophyletic adj.

Biology.

Of a group or taxon: descended from more than one separate evolutionary ancestor or ancestral group; (also, esp. in cladistics) not including the most recent common ancestor of all its members. Also: relating to such descent; polygenetic. Cf. monophyletic adj.

ΘΚΠ

the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [adjective] > descent from independent ancestors

polygenous1860

polygenetic1861

polygenesic1864

polyphyletic1875

multigeneric1923

1875 tr. E. O. Schmidt Doctr. Descent & Darwinism 325 The hypothesis of descent from many families (polyphyletic) possesses more probability.

1881 Nature 17 Mar. 458/1 The question of monophyletic or polyphyletic evolution of species.

1958 J. E. Morton Molluscs x. 194 The last of the lamellibranch series are those forming the order Anomalodesmata... This group is still imperfectly understood, and may be found to be polyphyletic.

1979 Nature 6 Sept. 88/1 He proceeds by defining monophyletic sister-groups strictly through their common specialisations and abandoning..the paraphyletic and polyphyletic taxa of the past.

2002 T. Pratchett et al. Sci. of Discworld II x. 122 At the end of the twentieth century there was, for some years, a belief that Homo sapiens was a polyphyletic species.

Derivatives

ˌpolyphyˈletically adv.

ΘΚΠ

the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [adverb] > descent from independent ancestors

polyphyletically1887

polygenetically1900

1887 Amer. Naturalist 21 429 The epibolic gastrula of Polyxenia leucostyla might arise polyphyletically from totally different methods of forming the endoderm.

1998 L. Margulis & K. V. Schwartz Five Kingdoms (ed. 3) i. 50 Photosynthesis evidently evolved many times separately (polyphyletically) in prokaryotes.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polyphyletic
释义	polyphyleticadj. Brit. /ˌpɒlɪfʌɪˈlɛtɪk/, U.S. /ˈˌpɑliˌfaɪˈlɛdɪk/ Origin: A borrowing from German. Etymon: German polyphyletisch. Etymology: < German polyphyletisch (1873 in the passage translated in quot. 1875 at main sense; < poly- poly- comb. form + phyletisch phyletic adj., after Polyphylet , noun ( Haeckel Natürliche Schöpfungsgeschichte (1868) xix. 511)): see -ic suffix. Compare slightly earlier monophyletic adj. Biology. Of a group or taxon: descended from more than one separate evolutionary ancestor or ancestral group; (also, esp. in cladistics) not including the most recent common ancestor of all its members. Also: relating to such descent; polygenetic. Cf. monophyletic adj. ΘΚΠ the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [adjective] > descent from independent ancestors polygenous1860 polygenetic1861 polygenesic1864 polyphyletic1875 multigeneric1923 1875 tr. E. O. Schmidt Doctr. Descent & Darwinism 325 The hypothesis of descent from many families (polyphyletic) possesses more probability. 1881 Nature 17 Mar. 458/1 The question of monophyletic or polyphyletic evolution of species. 1958 J. E. Morton Molluscs x. 194 The last of the lamellibranch series are those forming the order Anomalodesmata... This group is still imperfectly understood, and may be found to be polyphyletic. 1979 Nature 6 Sept. 88/1 He proceeds by defining monophyletic sister-groups strictly through their common specialisations and abandoning..the paraphyletic and polyphyletic taxa of the past. 2002 T. Pratchett et al. Sci. of Discworld II x. 122 At the end of the twentieth century there was, for some years, a belief that Homo sapiens was a polyphyletic species. Derivatives ˌpolyphyˈletically adv. ΘΚΠ the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [adverb] > descent from independent ancestors polyphyletically1887 polygenetically1900 1887 Amer. Naturalist 21 429 The epibolic gastrula of Polyxenia leucostyla might arise polyphyletically from totally different methods of forming the endoderm. 1998 L. Margulis & K. V. Schwartz Five Kingdoms (ed. 3) i. 50 Photosynthesis evidently evolved many times separately (polyphyletically) in prokaryotes. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.1875
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