@ARTICLE{TreeBASE2Ref16260, author = {Matthew T. Lavin and Jeff J. Doyle}, title = {Tribal relationships of Sphinctospermum (Leguminosae): Integration of traditional and chloroplast DNA data.}, year = {1991}, keywords = {}, doi = {}, url = {}, pmid = {}, journal = {Systematic Botany}, volume = {16}, number = {}, pages = {162--172}, abstract = {By using both consensus and combination approaches, new chloroplast DNA data are integrated into a primarily morphological data set that bears on the tribal affinities of Sphinctospermum. Both approaches are useful in testing hypotheses of homology among traditional characters but the combination approach is more useful than the consensus approach in testing hypotheses of reticulate evolution. This is because discrete chloroplast DNA markers can be tracked on the topology of alternative cladograms. Such discrete DNA markers are derived from a chloroplast DNA phylogeny using the bootstrap resampling procedure; a chloroplast DNA lineage with a 95100% confidence level is scored as a discrete character in an integrated data set. The results suggest that Sphinctospermum is related to genera of Robinieae by common descent and that introgressive hybridization has not been involved in the evolution of this morphologically distinctive genus.} }

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