| Code | Definition | Number of Accessions |
| 1 | Does not flower | 4 |
| 2 | Sparse flowering, poor seed set (many empty florets) | 138 |
| 3 | Sparse flowering, ready seed set (few empty florets) | 59 |
| 4 | Dense flowering, poor seed set (many empty florets) | 6 |
| 5 | Dense flowering, ready seed set (few empty florets) | 1 |