| Code | Definition | Number of Accessions |
| - | Indicates glabrous PUB_DENSITY | 40 |
| A | Appressed (most hairs flat on leaf surface) | 4404 |
| C | Curly (twisted and appressed) | 66 |
| E | Erect on leaf surface | 10538 |
| I | Irregular (slightly curly or twisted) | 50 |
| Sa | Semi-appressed (between erect and appressed) | 2257 |
| Va | Very appressed (all hairs flat on leaf surface) | 218 |