| Code | Definition | Number of Accessions |
| blue | Blue secondary tuber flesh | 1 |
| pink | Pink secondary tuber flesh | 2 |
| purple | Purple secondary tuber flesh | 15 |
| red | Red secondary tuber flesh | 2 |
| violet | Violet secondary tuber flesh | 3 |
| white | White secondary tuber flesh | 1 |
| yellow | Yellow secondary tuber flesh | 3 |