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Citation for Study 1817

About Citation title: "Phylogeny and Classification of Carex Section Ovales (Cyperaceae)".
About This study was previously identified under the legacy study ID S1791 (Status: Published).

Citation

Hipp A., Reznicek A., Rothrock P., & Weber J. 2006. Phylogeny and Classification of Carex Section Ovales (Cyperaceae). International Journal of Plant Sciences, 167(5): 1029-1048.

Authors

  • Hipp A.
  • Reznicek A.
  • Rothrock P.
  • Weber J.

Abstract

Section Ovales is the most species-rich section of the sedge genus Carex in the New World. Phylogenetic analyses of molecular data recover a predominantly New World clade as sister to a solitary East Asian species, C. maackii. Nuclear ribosomal DNA are congruent in the placement of all taxa within the section, with a solitary exception: incongruence between ITS and ETS data in the placement of C. bonplandii and C. roraimensis suggests a hybrid origin for this lineage. Biogeography correlates strongly with phylogeny in the section, but there have been at least two instances of long-range dispersal, one from an eastern North American clade to western North America and one from the New World to Eurasia. Morphological characters studied are all homoplastic. Developing a comprehensive infrasectional classification with a phylogenetic basis would be complicated by the fact that most of the novel morphological characters in the section have evolved within relatively small, independent clades.

About this resource

  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S1817
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