| 1. Group |
| 2Shrub 4Tree 1Vine 2Wildflower |
| 2. Flower petal color |
| 1Blue, lavander to purple, or violet 1Ochroleucous, cream 1Orange or yellow 3Pinkish to rose 4White |
| 3. Fruit seed number |
| 11 12 73 74 75-10 1Over 10 |
| 4. Leaflet number |
| 11 23 45-9 4Over 9 |
| 5. Plant height or length in cm |
| 3Under 100 4100-200 5Over 200 |
| 6. Genus |
| 1Baptisia 1Cercis 1Cladrastis 3Robinia 1Thermopsis 1Wisteria |