Phylogenetic relationships in Rosaceae inferred from chloroplast matK and trnL-trnF nucleotide sequence data (original) (raw)
Abstract.
Phylogenetic relationships in Rosaceae were studied using parsimony analysis of nucleotide sequence data from two regions of the chloroplast genome, the _mat_K gene and the _trn_L-_trn_F region. As in a previously published phylogeny of Rosaceae based upon _rbc_L sequences, monophyletic groups were resolved that correspond, with some modifications, to subfamilies Maloideae and Rosoideae, but Spiraeoideae were polyphyletic. Three main lineages appear to have diverged early in the evolution of the family: 1) Rosoideae sensu stricto, including taxa with a base chromosome number of 7 (occasionally 8); 2) actinorhizal Rosaceae, a group of taxa that engage in symbiotic nitrogen fixation; and 3) the rest of the family. The spiraeoid genus Gillenia, not included in the _rbc_L study, was strongly supported as the sister taxon to Maloideae sensu lato. A New World origin of Maloideae is suggested. The position of the economically important genus Prunus and the status of subfamily Amygdaloideae remain unresolved.
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Authors and Affiliations
- Department of Pomology, University of California, Davis, USA, , , , , , US
D. Potter, F. Gao, P. Esteban Bortiri & S.-H. Oh - Ph.D. Program Biology, Lehman College, City University of New York, New York, USA, , , , , , US
S. Baggett
Authors
- D. Potter
- F. Gao
- P. Esteban Bortiri
- S.-H. Oh
- S. Baggett
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Received February 27, 2001 Accepted October 11, 2001
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Potter, D., Gao, F., Bortiri, P. et al. Phylogenetic relationships in Rosaceae inferred from chloroplast _mat_K and _trn_L-_trn_F nucleotide sequence data.Plant Syst. Evol. 231, 77–89 (2002). https://doi.org/10.1007/s006060200012
- Issue date: March 2002
- DOI: https://doi.org/10.1007/s006060200012