6533b832fe1ef96bd129ac75

RESEARCH PRODUCT

Molecular phylogeny of the Old World representatives of Papaveraceae subfamily Papaveroideae with special emphasis on the genus Meconopsis

Joachim W. KadereitK. B. Jork

subject

ParaphylyOld WorldbiologySister groupMeconopsisPapaverPolyphylyCanbyaBotanyZoologyPapaveroideaebiology.organism_classification

description

The RFLP-analysis of PCR amplified cpDNA fragments of 42 representatives of Papaveraceae subfam. Papaveroideae resulted in six most parsimonious cladograms. The subfamily can be divided into a New World group (Arctomecon, Argentone, Canbya, Romneya and Platystemon) and an Old World group (Meconopsis, Papaver s.l. and Roemeria) containing Stylomecon heterophylla and Papaver californicum as New World taxa. In the Old World group neither Meconopsis nor Papaver are monophyletic. Whereas Meconopsis consists of three clades, Papaver comprises five clades, with Roemeria as sister group to P. sect. Argemonidium and Stylomecon as sister group to P. californicum. Various lines of evidence suggest that Meconopsis should be interpreted as a paraphyletic base group of Old World Papaveroideae which gave rise to a polyphyletic Papaver.

https://doi.org/10.1007/978-3-7091-6612-3_15