@ARTICLE{TreeBASE2Ref15002, author = {K. F. Chung and Barbara A. Schaal}, title = {Inclusion of the South Pacific alpine plant Oreomyrrhis (Apiaceae) within Chaerophyllum Based on Nuclear and Chloroplast DNA Sequences}, year = {2006}, keywords = {}, doi = {}, url = {}, pmid = {}, journal = {Systematic Botany}, volume = {}, number = {}, pages = {}, abstract = {Sequences of chloroplast intergenic spacers atpB-rbcL and trnS-trnG were analyzed to test the hypotheses resulted from previous ITS data that the South Pacific alpine genus Oreomyrrhis is sister to the North American species of the otherwise Eurasian genus Chaerophyllum. Phylogenetic analyses using maximum parsimony, maximum likelihood and Bayesian inference of separate and combined matrices of the chloroplast and ITS data sets strongly support the monophyly of Oreomyrrhis and its sister relationships with the North American Chaerophyllum. Relationships among other major clades with Chaerophyllum are congruence with previous studies. Based on the well supported phylogenetic relationship, we propose to transfer all currently recognized taxa of Oreomyrrhis into Chaerophyllum. We also propose to use North American clade and oreomyrrhis clade as unranked names to designate the two well supported clades within sect. Chaerophyllum, an alternative that can avoid nomenclatural cascades resulted from rank changes. The proposed nomenclatural changes include 3 new names, Chaerophyllum australianum, Chaerophyllum guatemalense, and Chaerophyllum novae-zelandiae, and 26 new combinations, Chaerophyllum andicola, Chaerophyllum argentum, Chaerophyllum azorellaceum, Chaerophyllum basicola, Chaerophyllum borneense, Chaerophyllum brevipes, Chaerophyllum buwaldianum, Chaerophyllum colensoi, Chaerophyllum colensoi var. delicatulum, Chaerophyllum colensoi var. hispidum, Chaerophyllum colensoi var. multifidum, Chaerophyllum daucoides, Chaerophyllum eriopodum, Chaerophyllum gunnii, Chaerophyllum involucratum, Chaerophyllum lineare, Chaerophyllum nanhuense, Chaerophyllum orizabae, Chaerophyllum papuanum, Chaerophyllum plicatum, Chaerophyllum pulvinificum, Chaerophyllum pumilum, Chaerophyllum ramosum, Chaerophyllum sessiliflorum, Chaerophyllum taiwanianum, and Chaerophyllum tolucanum.} }

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