KEY TO THE SUBSPECIES

1Leaflets 3 (or 4) pairs per pinna, ± ovate, up to 8.5(-12) cm long, apex acute, base ± symmetrical, attenuate; pinnae 1 or 2 pairs
1'Leaflets (2-)4-5(-7) pairs per pinna, ± elliptical to oblong, up to 5.5(-6.5) cm long, apex rounded or emarginate, base often asymmetrical, rounded or obtuse; pinnae 2(-4) pairs