phenogram


phenogram
  Tree diagram showing taxa arranged hierarchically on the basis of phenotypic similarities without any regard for ancestry.

Expanded glossary of Cycad terms . 2014.

Look at other dictionaries:

  • phenogram — n. [Gr. phainein, to appear; gramme, mark] A diagram showing degree of similarity among taxa …   Dictionary of invertebrate zoology

  • phenogram — /fee neuh gram /, n. Biol. a diagram depicting taxonomic relationships among organisms based on overall similarity of many characteristics without regard to evolutionary history or assumed significance of specific characters: usually generated by …   Universalium

  • phenogram — phe·no·gram …   English syllables

  • phenogram — ˈfēnəˌgram noun Etymology: phen + gram : a branching diagrammatic tree used in phenetic classification to illustrate the degree of similarity among taxa compare cladogram herein …   Useful english dictionary

  • cladogram — /klad euh gram , klay deuh /, n. Biol. a branching diagram depicting the successive points of species divergence from common ancestral lines without regard to the degree of deviation. Cf. dendrogram, phenogram. [1965 70; CLADO + GRAM1] * * * …   Universalium

  • dendrogram — /den dreuh gram /, n. Biol. a treelike diagram depicting evolutionary changes from ancestral to descendant forms, based on shared characteristics. Cf. cladogram, phenogram. [DENDRO + GRAM1] * * * …   Universalium

  • Quantitative comparative linguistics — is a branch of comparative linguistics that applies mathematical models to the problem of classifying language relatedness. This includes the use of computational phylogenetics and cladistics to define an optimal tree (or network) to represent a… …   Wikipedia

  • cladogram —   Tree diagram based on parsimony analysis showing taxa grouped hierarchically in nested sets according to their synapomorphies; used to illustrate phylogenetic relationships and show points at which various species have diverged from common… …   Expanded glossary of Cycad terms

  • phylogram —   , phylogenetic tree.   Cladogram where branch lengths are proportional to the number of changes that occur at each branch.   See also dendrogram, phenogram …   Expanded glossary of Cycad terms