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Citation for Study 10130

About Citation title: "Phylogenetic Relationships between and within Phacelia Sections Whitlavia and Gymnobythus (Boraginaceae)".
About This study was previously identified under the legacy study ID S2473 (Status: Published).

Citation

Hansen D., Spicer G., & Patterson R. 2009. Phylogenetic Relationships between and within Phacelia Sections Whitlavia and Gymnobythus (Boraginaceae). Systematic Biology, 34(4): 737-746.

Authors

  • Hansen D.
  • Spicer G.
  • Patterson R.

Abstract

Phylogenetic relationships between and within Phacelia sections Whitlavia and Gymnobythus are inferred based on nuclear ribosomal DNA [5.8S, and flanking internal transcribed spacers (ITS) 1 and 2] and chloroplast DNA (rpl16) sequences. These two sections share morphological characters and have been thought to be closely related. The purpose of this study is to test whether the two sections are monophyletic as well as whether they form sister clades. Our results indicate that the two sections do not form sister clades, and that section Gymnobythus is monophyletic but Whitlavia is not. The members of Whitlavia form two clades, one of which is sister to a clade that contains section Gymnobythus. The data indicate hybridization or a recent divergence between Phacelia parryi and Phacelia minor, as well as a close alliance between Phacelia longipes and Phacelia campanularia.

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About this resource

  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S10130
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