Phylogenetic relationships, taxonomy, and morphological evolution in Dipsacaceae (Dipsacales) inferred by DNA sequence data

TitlePhylogenetic relationships, taxonomy, and morphological evolution in Dipsacaceae (Dipsacales) inferred by DNA sequence data
Publication TypeJournal Article
Year of Publication2009
AuthorsCarlson SE, Mayer V, Donoghue MJ
JournalTaxon
Volume58
Pagination1075 - 1091
ISSN00400262
KeywordscpDNA, Dipsacaceae, epicalyx, EVOLUTIONARY BIOLOGY, ITS, Mediterranean, phylogeny, PLANT SCIENCES
Abstract

A phylogenetic Study of Dipsacaceae, a Mediterranean-centered clade in the Dipsacales, was conducted using nuclear ITS and three chloroplast markers (atpB-rbcL, trnL-trnF, trnS(UGA)-trnG(GCC)). This is the first Molecular study to assess Dipsacaceae phylogeny in detail, and includes representatives from all major subclades. Maximum parsimony, maximum likelihood, and Bayesian analyses were carried Out On the ITS and plastid datasets separately and in combination. For the most part, the ITS and plastid datasets resulted in similar topologies, and the combined data yielded a well-resolved estimate of Dipsacaceae phylogeny. A small Asian clade composed of Bassecoia and Pterocephalodes hookeri is resolved as sister to the rest of Dipsacaceae. Scabioseae s.str. (Scabiosa, Sixalix, Pterocephalus s.str., Lomelosia, Pycnocomon) and a “Dipknautid” clade (Dipsacus, Cephalaria, Knautia, Pterocephalidum, Succisa, Succisella, Pseudoscabiosa) from the two major lineages within Dipsacaceae. Most of t

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