KEY TO THE SPECIES

1Leaves bipinnate
1'Leaves simply imparipinnate.
2Leaflets in 3-4(-5) pairs
2'Leaflets in more than 5 pairs.
3Fruits rotund, c. 8 mm broad
3'Fruits ovoid, c. 4-5 mm broad.
4Base of leaflets cuneate
4'Base of leaflets truncate, subcordate, or rounded