monophylesisn.
/ˌmɒnə(ʊ)fʌɪˈliːsɪs/, U.S. /ˌmɑnəˌfaɪˈlisᵻs/ Biology.
= monophyly n.
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the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [noun] > descent from common ancestor
substrain1879
homophyly1883
monophyletism1913
monophyly1929
monophylesis1947
1947 Ecol. Monogr. 17 132/1 The critical point..is the possibility and probability of the following four processes, monotopy, monophylesis, polytopy and polyphylesis.
1978 Ann. Rev. Ecol. & Systematics 9 373 All evidence for monophylesis [in angiosperms] is based on modern plants and on embryological features for which there is not and may well never be any direct fossil evidence.
1994 Systematic Bot. 19 443 Inclusion of the Late Pennsylvanian voltzialean conifer Emporia renders monophylesis for conifers (including taxads) less parsimonious than polyphylesis under most sets of assumptions.
This is a new entry (OED Third Edition, December 2002; most recently modified version published online March 2022).
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n.1947