autoapomorphy


autoapomorphy
  Derived character state unique to a terminal taxon in a particular data set; note that an autapomorphy at a given hierarchical level may be a synapomorphy at a less inclusive level.

Expanded glossary of Cycad terms . 2014.

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  • apomorphy —   Derived character or character state.   See also autoapomorphy, homology, plesiomorphy, symplesiomorphy, synapomorphy …   Expanded glossary of Cycad terms

  • homology —   , homology.   Features having a common origin but not necessarily the same function, e.g. cycad leaves, cataphylls, and sporophylls.   See also apomorphy, autoapomorphy, homoplasy, plesiomorphy, symplesiomorphy, synapomorphy …   Expanded glossary of Cycad terms

  • homologous —   , homology.   Features having a common origin but not necessarily the same function, e.g. cycad leaves, cataphylls, and sporophylls.   See also apomorphy, autoapomorphy, homoplasy, plesiomorphy, symplesiomorphy, synapomorphy …   Expanded glossary of Cycad terms

  • plesiomorphy —   Ancestral or underived character or character state; note that a plesiomorphy at a given hierarchical level may be an apomorphy at a more inclusive level.   See also autoapomorphy, homology, symplesiomorphy, synapomorphy …   Expanded glossary of Cycad terms

  • symplesiomorphy —   Ancestral or underived character state shared by several members of a monophyletic group that does not define a monophyletic subset of that more inclusive group and has not experienced reversal.   See also apomorphy, autoapomorphy, plesiomorphy …   Expanded glossary of Cycad terms

  • synapomorphy —   Shared derived character state that unites two or more members of a monophyletic group, e.g. the presence of a glandular collar at the leaflet base is a synapomorphy for a monophyletic group comprising Zamia macrochiera and Z. manicata; a… …   Expanded glossary of Cycad terms