Row number/ lateral florets
| Code | Term | Description |
|---|---|---|
| 1 | Two rowed, large or small sterile lateral florets | |
| 2 | Two rowed, deficient | |
| 3 | Irregular, variable lateral florets development | |
| 4 | Six rowed, awnless or awnleted lateral florets | |
| 5 | Six rowed, long awns on lateral florets | |
| 6 | Others |