1	Anther loculi confluent at the apex (Perennial herb, generally glandular, anthers dimorphic)		Glycyrrhiza
+	Anther loculi not confluent at the apex		(2)
2 (1)	Calyx very oblique		(3)
+	Calyx not oblique		(4)
3 (2)	Leaf paripinnate or digitate		Caragana
+	Leaf imparipinnate		Chesneya
4 (2)	Keel mucronate		Oxytropis
+	Keel not mucronate		(5)
5 (4)	Vexillum less than twice the length of keel		Astragalus
+	Vexillum about twice the length of keel		Gueldenstaedtia