Fig. 2From: The climate changes promoted the chloroplast genomic evolution of Dendrobium orchids among multiple photosynthetic pathwaysChronogram and Phylogenetic trees of 31 species. A Molecular dating results of 31 angiosperms by BEAST2; B ML tree topology with ML and BI bootstrap values. The first one represents ML bootstrap value and the second one represents BI bootstrap value. * represents 100 bootstrap valueBack to article page