Journal
TAXON
Volume 58, Issue 3, Pages 749-756Publisher
WILEY
DOI: 10.1002/tax.583005
Keywords
Lamiales; Orobanchaceae; phylogeny; Rehmannia; Scrophulariaceae sensu lato; Triaenophora
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Funding
- Natural Science Foundation of China [30770136]
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Phylogenetic placement of Triaenophora together with Rehmannia were explored with DNA sequence data from five regions (rbcL, ndhF, rps16, trnL-F, nr ITS) in two combined data matrices. One (rbcL, ndhF, rps16) represented a wide sampling across most families of Lamiales. The other data matrix represented two DNA regions partly unalignable across Lamiales (trnL-F, nr ITS) plus rps16, which proved to be variable enough to give resolution at a smaller taxonomic level in Lamiales. Triaenophora rupestris and Rehmannia are sister taxa, composing a strongly Supported clade, which is sister to all representative genera of Orobanchaceae. Furthermore, Paulowniaceae and Phrymaceae are next to Orobanchaceae and Triaenophora-Rehmannia clade. All of the above taxa are only distantly related to Scrophulariaceae and/or Plantaginaceae (sensu APG II). Mazus and Lancea would be excluded from Phrymaceae. The resulting phylogeny is in agreement with other data Such as phytochemistry and provides a framework for further investigation of character evolution in Lamiales.
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