| 1 | Pod (4.5—)5—7 cm wide |
| 1' | Pod 2.7-4(-4.5) cm wide |
| 2 | Petiolar gland not concave in the central part. Leaflets (2-)2.5-4 mm wide. Pods tardily dehiscent |
| 2' | Petiolar gland with concave central part, often rimmed. Leaflets 1.5-2.5 mm wide. Pods indehiscent |
