Distribution of Values for
Pollination requirement (POLLINATION)
| Code | Definition | Number of Accessions |
| CL | Cleistogamous: Flowers self-pollinate before the blossum opens. Every flower produces seed. | 2 |
| SB | Needs to be hand or sib pollinated with another's pollen | 101 |
| SE | Flowers self-pollinated, but not all flowers produce seed. | 2326 |
| TR | Needs to be tripped to pollinate itself | 37 |