Distribution of Values for
Skin color primary (SKIN_COLOR)
| Code | Definition | Number of Accessions |
| brown | Brownish tuber skin | 37 |
| dark | Dark purple-black tuber skin | 10 |
| orange | Orange tuber skin | 13 |
| pink | Pink tuber skin | 14 |
| purple | Purple tuber skin | 27 |
| purprd | Purplish-red tuber skin | 17 |
| red | Red tuber skin | 41 |
| white | White-cream tuber skin | 104 |
| yellow | Yellow tuber skin | 137 |