1	Flowers 22–24 mm long; leaflets 50–90 (– 110) × 30–40 mm., surfaces glabrous or sparsely pubescent below, apex acute	var. nitida
–	Flowers 16–18 mm long; leaflets 35–55 × 20–30 mm	2
2	Leaflets narrowly lanceolate, both surfaces glabrous, apex acuminate	var. minor
–	Leaflets ovate, densely reddish-brown hirsute below, rough but glabrous above, apex cuspidate	var. hirsutissima