单词 | phenon |
释义 | phenonn. Biology. A group of organisms which is recognized simply on the basis of similarity of characteristics, regardless of any biological interaction or genetic relatedness; (in later use) spec. a grouping of organisms established by phenetics or numerical taxonomy. ΘΚΠ the world > life > biology > taxonomy > taxon > [noun] > species or sub-species shapec1400 species1608 subspecies1681 semispecies1825 infima species1843 conspeciesa1856 incipient species1859 relic1873 biological species1876 biological race1878 microspecies1897 clan1916 Jordanon1916 twin species1931 supraspecies1938 sibling species1940 species pair1942 phenon1943 biospecies1953 ochlospecies1962 1943 W. H. Camp & C. L. Gilly in Brittonia 4 335 Phenon: a species which is phenotypically homogeneous and whose individuals are sexually reproductive, but which is composed of intersterile segments. 1962 P. H. A. Sneath & R. R. Sokal in Nature 3 Mar. 860/1 How should we name the groups which are established by numerical taxonomy?.. We call the groups simply ‘phenons’. 1963 P. H. Davis & V. H. Heywood Princ. Angiosperm Taxon. iv. 136 In practice a phenon defines groups by drawing lines horizontally across the dendrograms. 1969 E. Mayr Princ. Systematic Zool. i. 5 There is no generally accepted technical term for a phenotypically reasonably uniform sample, but it may be designated as a phenon. 1993 Jrnl. Gen. & Appl. Microbiol. 39 216 Naming of the phenon was, when possible, after the species they contained. In some cases type strains of several species fell within one phenon. 2003 Jrnl. Appl. Microbiol. 95 1096 Numerical analysis of all 72 strains revealed five phenons at the 29% similarity level, four of which represented each of the known species studied. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < |
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