Fig. 4: Ancestral eudicot genomes.

a Schematic phylogeny of the eudicot clade depicting extant and ancestral genomes (nodes 1–3) examined here. Images Credits: Vitis, Bob Nichols; Amaranthus, Patrick Alexander; Buxus, PiPi; Tetracentron, Daderot; Nelumbo, Engin Akyurt; Aquilegia, Ejohnsonboulder; all available in the Public Domain via Wikimedia Commons. b Protogene content of ancestral genomes. c Heatmaps of conserved synteny supporting the delimitation of seven protochromosomes in each ancestral genome (left panel), and Vitis chromosomes painted according to the protochromosomes of the three diploid ancestral genomes (right panel). Source data underlying Fig. 4c are provided as a Source data file.