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Phylogenetic positioning of anomalous eucalypts by using ITS sequence data

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Steane, DA, Nicolle, D and Potts, BM 2007 , 'Phylogenetic positioning of anomalous eucalypts by using ITS sequence data' , Australian Systematic Botany, vol. 20, no. 5 , pp. 402-408 , doi: 10.1071/SB07013.

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Abstract

We investigated the phylogenetic affinities of the following six taxonomically anomalous species of Eucalyptus: E. cladocalyx, E. cosmophylla, E. gomphocephala, E. longifolia, E. paludicola and E. pumila. ITS sequence data were obtained from these species and combined with an existing large ITS data set for subgenus Symphyomyrtus. Phylogenetic analysis using maximum parsimony and Bayesian approaches showed that E. longifolia belongs in section Maidenaria and E. gomphocephala belongs in section Bisectae I. The phylogenetic affinities of the other four species were not fully resolved by ITS sequence data. E. cladocalyx has affinities with sections Adnataria, Dumaria and Bisectae I; E. cosmophylla and E. paludicola have affinities with sections Exsertaria, Latoangulatae and Maidenaria; and E. pumila appears to be a morphologically divergent member of section Latoangulatae or Exsertae. The implications of the results for conservation of native eucalypt gene pools are discussed.

Item Type: Article
Authors/Creators:Steane, DA and Nicolle, D and Potts, BM
Journal or Publication Title: Australian Systematic Botany
ISSN: 1030-1887
DOI / ID Number: 10.1071/SB07013
Additional Information:

BM Potts. Copyright 2007 CSIRO. http://www.publish.csiro.au/nid/150.htm

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