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. 2021 Nov 26;12:6929. doi: 10.1038/s41467-021-26931-3

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — a The Ks distributions of intragenomic synteny blocks. b The proportion of collinear gene trees that support the independent polyploidization between each species-pair. c Synteny blocks of the C. sessilifolius genome. d Synteny patterns between genomic regions from C. sessilifolius, A. trichopoda, and V. vinifera. e Local alignment of Magnoliales (Liriodendron-Lch) and Laurales (Cinnamomum-Cka and Chimonanthus-Csa). The graph shows details of a short segment of alignment, and the names behind the species are the chromosome numbers. The location and direction of genes are shown by a triangle. Reconstructed putative ancestral chromosome segments of Laurales, named as Con1 and Con2, are displayed accordingly. Homologous genes between neighboring chromosomal regions are linked with lines. Source data are provided as a Source Data file.