Supplementary materials for "Seed morphometry reveals two major groups in Spanish grapevine cultivars"- 1

Table S1: A complete list of the species and cultivars used in the present study with average values of aspect ratio and solidity of their seeds. Table S2: Pedigree and values of J-index with models Hebén and Chenin, solidity and aspect ratio for the Average contours (Acs) of 271 cultivars. Figures S1: Photographs of the cultivars. Please see also: https://zenodo.org/uploads/10628169 (for seeds of Vitis species other than V. vinifera) and https://zenodo.org/records/14610754 (for seeds harvested in 2024). Figures S2: Average contours of each cultivar classified by aspect ratio. Figures S3: Images for the calculation of J-index. Figures S4: Representative Mathematica files for curvature analysis in seed image contours.