KEY TO THE SPECIES

1Leaflets up to 5 cm wide, mostly much narrower
1'At least the larger leaflets wider than 5 cm
2Fruits inside hairy. Petioles, at least those of the larger leaves, nearly always longer than 2 cm
2'Fruits inside (sub)glabrous. Petioles up to 2 cm long, very rarely up to 2.5 cm long