Table S3.
Solanum starch granule 2D form: Comparison of modern wild and cultivated taxa and Jiskairumoko archaeological grains
| Starch source | No. starch grains analyzed | Symmetrical oval-ovoid form (%) | Bell shape (%) | Asymmetrical oval with protuberance (%) | Asymmetrical angular (%) |
| Modern | |||||
| Seven cultivated | 350 (50 per taxon) | 64 | 12 | 22 | 1 |
| Three wild taxa | 150 (50 per taxon) | 40 | 2 | 28 | 31 |
| Archaeological | |||||
| Late Archaic | 38 | 88 | NA* | 2 | 2 |
| Terminal Archaic | 1 | 100 | NA | 0 | 0 |
| Early Formative | 12 | 91 | NA | 0 | 0 |
*
Small bells occur in Solanum, Oxalis, and Ullucus—among other taxa—and are therefore not diagnostic in the case of archaeological Solanum.