| Code | Definition | Number of Accessions |
| 1 | normal - regular formation of bolls, with 1-2 per node | 4241 |
| 2 | cluster - bolls are formed on prematurely shortened branches and sometimes terminate in multiple bolls | 285 |
| 3 | short branch - branch has a single node ending in a boll. Looks like it grew straight from the main stem. Best seen in G. barbadense often typed as "stovepipe" | 7 |
| 9 | plot is segregating for this trait and a single score is not an accurate description or the variation is outside of the rating scale | 35 |