1Pinnae 1-3 pairs
1'Pinnae 3-10 pairs
2Leaflets 2 pairs per pinna
2'Leaflets 7-40 pairs per pinna
3Leaflets 20-40 pairs per pinna.
3'Leaflets 7-10 pairs per pinna
4Leaflets narrowly oblong, up to 2 by 0.5 cm. Stamens with a white proximal part and a pink distal part
4'Leaflets subfalcate, elliptic, lanceolate or oblong-lanceolate, 0.5-4.7 by 0.3-1.7 cm. Stamens blood-red
5Leaflets 7-10 pairs per pinna
5'Leaflets 20-40(-60) pairs per pinna.
6Single flowers sessile
6'Flowers pedicellate
7Flowers glabrous
7'Corolla densely brown hairy outside