Article

Plant Systematics and Evolution

, Volume 266, Issue 1, pp 5-43

First online:

Phylogeny and classification of Rosaceae

  • D. PotterAffiliated withDepartment of Plant Sciences, Mail Stop 2, University of California Email author 
  • , T. ErikssonAffiliated withBergius Foundation, Royal Swedish Academy of Sciences
  • , R. C. EvansAffiliated withBiology Department, Acadia University
  • , S. OhAffiliated withDepartment of Biology, Duke University
  • , J. E. E. SmedmarkAffiliated withBergius Foundation, Royal Swedish Academy of Sciences
  • , D. R. MorganAffiliated withDepartment of Biology, University of West Georgia
  • , M. KerrAffiliated withDepartment of Cell Biology and Molecular Genetics, University of Maryland
  • , K. R. RobertsonAffiliated withCenter for Biodiversity, Illinois Natural History Survey
  • , M. ArsenaultAffiliated withDepartment of Biological Sciences, University of Maine
    • , T. A. DickinsonAffiliated withDepartment of Natural History, Royal Ontario Museum
    • , C. S. CampbellAffiliated withDepartment of Biological Sciences, University of Maine

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Abstract

Phylogenetic relationships among 88 genera of Rosaceae were investigated using nucleotide sequence data from six nuclear (18S, gbssi1, gbssi2, ITS, pgip, and ppo) and four chloroplast (matK, ndhF, rbcL, and trnL-trnF) regions, separately and in various combinations, with parsimony and likelihood-based Bayesian approaches. The results were used to examine evolution of non-molecular characters and to develop a new phylogenetically based infrafamilial classification. As in previous molecular phylogenetic analyses of the family, we found strong support for monophyly of groups corresponding closely to many previously recognized tribes and subfamilies, but no previous classification was entirely supported, and relationships among the strongly supported clades were weakly resolved and/or conflicted between some data sets. We recognize three subfamilies in Rosaceae: Rosoideae, including Filipendula, Rubus, Rosa, and three tribes; Dryadoideae, comprising the four actinorhizal genera; and Spiraeoideae, comprising Lyonothamnus and seven tribes. All genera previously assigned to Amygdaloideae and Maloideae are included in Spiraeoideae. Three supertribes, one in Rosoideae and two in Spiraeoideae, are recognized.

Keywords

Rosodae Pyrodae Kerriodae chromosome number fruit type