@ARTICLE{TreeBASE2Ref16554,
author = {K. Marlowe and Larry Hufford},
title = {Evolution of Synthyris sect. Dissecta (Plantaginaceae) on Northern Rocky Mountain sky islands},
year = {2007},
keywords = {},
doi = {},
url = {},
pmid = {},
journal = {American Journal of Botany},
volume = {},
number = {},
pages = {},
abstract = {We examine phylogeography of Synthyris sect. Dissecta (Plantaginaceae), which is restricted to the Olympic (S. lanuginosa) and Northern Rocky Mountains (S. dissecta and S. canbyi), to infer effects of sky islands and modes of speciation. Sequences of cpDNA trnT-trnL and psbA-trnH intergenic spacers resolved 22 haplotypes among 302 individuals sampled from 16 populations of the three species. Broad gene flow in the ancestral lineage and subsequent random capture of haplotypes in species lineages of sect. Dissecta have resulted in haplotype clades that are not exclusive to species. Allopatric fragmentation separated Olympic and Northern Rocky Mountain populations, giving rise to the Olympic endemic S. lanuginosa, which is characterized by unique haplotypes consistent with long temporal isolation. Low haplotype and nucleotide diversity in S. canbyi are consistent with newly founded populations experiencing a population bottleneck. We infer S. canbyi evolved as a northern peripheral isolate of S. dissecta. Nested clade analysis indicated limited migration in S. dissecta with possible isolation by distance. Populations of this species appear to have been isolated not only on interglacial sky islands, but also during at least the last glaciation when valley glaciers prevented gene flow among populations in different ranges of the Northern Rocky Mountains.}
}
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Citation title:
"Evolution of Synthyris sect. Dissecta (Plantaginaceae) on Northern Rocky Mountain sky islands".
This study was previously identified under the legacy study ID S1931
(Status: Published).
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