1	Stipules encircling the stem, hairs on leaflets appressed		Astragalus nivalis
+	Stipules not encircling the stem		(2)
2 (1)	Leaflets linear to sickle-shaped, c.3 mm or less broad, peduncle more than 10 cm long		Astragalus medius
+	Leaflets elliptic, oblong-obovate to obovate, more than 3 mm broad, peduncle less than 2 cm long (Illustration)		Astragalus breviscapus