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Plant Systematics and Evolution

, Volume 212, Issue 3–4, pp 185–213 | Cite as

Morphometrics and character state recognition for cladistic analyses in theBletia reflexa complex (Orchidaceae)

  • Victoria Sosa
  • Efrain De Luna
Article

Abstract

Different criteria have been suggested for decisions on character state recognition for morphological characters showing continuous variation from taxon to taxon. A method proposed byMishler andDe Luna seeks to recognize as many character states as the groups of taxon means that are revealed by an analysis of variance (ANOVA) followed by multiple range tests. We apply this method as a guide in decisions of selecting taxonomic characters in species of theBletia reflexa complex. Seven species of the complex, represented by 156 individuals belonging to 54 populations, were the terminal taxa of the study. Character state codes were assigned to 20 characters. These characters together with 12 non-quantitative characters were incorporated into cladistic analyses. Results indicate that the complex is monophyletic only under one outgroup combination.

Key words

Orchidaceae Bletia Morphometrics character-states analysis-of-variance multiple-range-test 

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Copyright information

© Springer-Verlag 1998

Authors and Affiliations

  • Victoria Sosa
    • 1
  • Efrain De Luna
    • 1
  1. 1.Departamento de Sistemática VegetalInstituto de EcologíaXalapaMéxico

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