Please note: Wiley Blackwell are not responsible for the content or functionality of any Supporting Information supplied by the authors. Any queries (other than missing material) should be directed to the New Phytologist Central Office.

Filename Description nph16162-sup-0001-FigS1.pdfPDF document, 51.9 KB Fig. S1 All‐tips tree split by page. nph16162-sup-0002-SupInfo.pdfPDF document, 6 MB Fig. S2 Fossil calibration points: crown calibrations and stem calibrations. Fig. S3 Crown calibrations and stem calibrations, global sampling estimate (60%); and stem calibrations with rates, assuming clade‐specific sampling proportions. Fig. S4 Quartet similarity between individual loci and the full, all‐tips tree, mapped to chromosomes. Fig. S5 Spline correlograms by chromosomes – quartets. Fig. S6 Spline correlograms by chromosomes – phyparts. Fig. S7 Phyparts components. Methods S1 Analysis details. Table S1 Sampling table. Table S2 Citations for fossil calibrations. nph16162-sup-0003-TablesS1-S2.xlsxMS Excel, 172.5 KB Table S3 Taxonomic disparity index (TDI) for all unique species. Table S4 ϕIC values for alternative calibrations. Table S5 Phyparts components and clade ages.

Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.