| Code | Definition | Number of Accessions |
| 1 | Branches form acute angles with main stem | 1 |
| 2 | Branching angle less acute than above | 40 |
| 3 | Branches perpendicular to main stem, but not touch ground | 17 |
| 4 | Most lower branches touch the ground | 5 |
| 6 | "Plants flat on ground; branches spread several meters" | 1 |
| 7 | Climbing | 3 |