@ARTICLE{TreeBASE2Ref20604, author = {Julieta A Rosell and Mark E Olson and Andrea Weeks and Arturo De-Nova and Rosalinda Medina and Jacqueline P?rez-Camacho and Roberto G?mez-Bermejo and Patricia Feria and Juan Carlos Montero and Luis E Eguiarte}, title = {Diversification in Species Complexes: Tests of Species Origin and Delimitation in the Bursera Simaruba Clade of Tropical Trees (Burseraceae).}, year = {2010}, keywords = {Antilles; convergence; Mexico; parallelism; paraphyletic species; plasticity}, doi = {10.1016/j.ympev.2010.08.004}, url = {http://}, pmid = {20723609}, journal = {Molecular Phylogenetics and Evolution}, volume = {57}, number = {2}, pages = {798--811}, abstract = {Molecular phylogenies are invaluable for testing morphology-based species delimitation in species complexes, as well as for examining hypotheses regarding the origination of species in these groups. Reconstructing the phylogeny of the Bursera simaruba species complex of neotropical trees based on five markers, we test the notion that ?satellite? species originated from populations of the most widely distributed member of the group, B. simaruba, which the satellites strongly resemble. Two of the satellites were recovered nested in a distant clade from B. simaruba, suggesting that their similarity is due to convergence or parallelism. We tested species delimitation of B. simaruba and the satellites using our molecular phylogenetic reconstruction, in addition to multivariate morphometric and ecological analyses, a combination that pinpointed characters such as leaf pubescence that need examination to refine simaruba complex taxonomy. Remarkably, despite its vast geographical and morphological range, we recovered B. simaruba as a single valid species.} }

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