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| 1 Bud scales deciduous, 3-8 mm long; leaflet blades 1-3-veined from the base. |
| ..2 Leaflet blades smooth and somewhat shiny on the undersurface |
..2 Leaflet blades papillose and dull on the undersurface |
| 1 Bud scales evergreen, 11-44 mm long; leaflet blades 4-6-veined from the base. |
| ....3 Leaflet blades with 2-7 teeth per side, each tooth 3-8 mm long; leaflets very thick and stiff |
| ....3 Leaflet blades with 6-13 teeth per side, each tooth 1-2 (-3) mm long; leaflets thickish, but flexible when fresh |