Figure 4 .

Ancestral range reconstruction for Trichosanthes and outgroups inferred on 8000 output trees resulting from the Bayesian dating analysis and distribution ranges for all species. Letters in the legend correspond to the colored distribution ranges in the map (inset), and letters adjacent to taxon names correspond to the geographic origin of the sampled plant. Wallace’s Line is shown as a broken line between Borneo and Sulawesi, Lydekker’s Line is shown as a broken line between New Guinea and the Moluccas. The three numbered clades and inferred transoceanic disjunctions are discussed in the text.

de Boer et al. BMC Evolutionary Biology 2012 12:108   doi:10.1186/1471-2148-12-108
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