@ARTICLE{TreeBASE2Ref19576, author = {Sara Fuentes-Soriano and Ihsan A. Al-Shehbaz}, title = {Phylogenetic relationships of the mustards with multiaperturate pollen (Physarieae, Brassicaceae) based on chloroplast ndhF: implications for morphological diversification}, year = {2011}, keywords = {Phylogenetic sytematics; character evolution; trichomes; fruit; replum; seed; pollen; Physarieae}, doi = {}, url = {http://}, pmid = {}, journal = {Systematic Botany}, volume = {}, number = {}, pages = {}, abstract = {This work represents the first comprehensive chloroplast-based molecular phylogeny of the tribe Physarieae that comprise the mustards with multiaperturate pollen. The molecular phylogeny was generated to test the monophyly of the tribe, to investigate relationships between its seven genera, and to study the evolution of selected morphological traits within the tribe. Taxa studied represented the taxonomic and morphological diversity of the tribe. Character evolution was inferred from morphological data treated as continuous and discrete data using parsimony approaches. Results suggest that Physarieae are monophyletic and most closely related to tribes Halimolobeae, Boechereae, and Camelineae. Within the tribe, two monophyletic clades are recovered: the DDNLS clade including five genera (Dithyrea, Dimorphocarpa, Nerisyrenia, Lyrocarpa, and Synthlipsis), and the PP clade comprising two genera (Paysonia and Physaria). Several traits related to trichomes, fruits, seeds, and pollen are identified as potential synapomorphies of the tribe and its two major clades and seven genera. } }

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