apomorphy, n. Taxon.
Brit. /ˈapə(ʊ)mɔːfi/, U.S. /ˈæpə(ʊ)ˌmɔrfi/
[‹ apo- prefix + -morphy comb. form, after apomorphic adj., apomorphous adj. Compare slightly earlier autapomorphy n.]
An apomorphous character.
| 1969 Systematic Zool. 18 129/2 For the proof of a sister-group relation, apomorphies are to be proved not only at one point, but at three points of the scheme. 1999 Nature 25 Mar. 329/2 Our phylogenetic analysis indicates that many apomorphies of the pectoral girdle and forelimb in J. jenkinsi are independently derived. 2004 FEMS Microbiol. Lett. 233 153 The modified plastid genome architecture is a novel apomorphy that indicates that the Helicosporidia are highly derived green algae. |