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. 2020 Nov 16;13(2):evaa236. doi: 10.1093/gbe/evaa236

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© The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2 — Phylogenetic analysis based on the concatenation method and divergence time estimation. (a) A maximum-likelihood tree showing the phylogenetic relationships among the two subgenomes of two polyploid species and their putative diploid parents. Numbers associated with nodes are bootstrap support (BS) values obtained from the concatenation (left) and coalescent (right) analysis, respectively. An asterisk indicates BS of 100%. Diploids are in black, and polyploids are in color. (b) Density distribution of Ks among the two subgenomes of Ephedra sinica and its putative diploid parents.