1	Radical leaves bipinnate or tripinnate; cauline leaves simply pinnate to tripinnate		(2)
+	All leaves simply pinnate		(7)
2 (1)	Flowers cream or yellow		(3)
+	Flowers pink or purple		(4)
3 (2)	Flowers not crested; petals concolorous.		67 C. straminea
+	Flowers clearly crested, lower petal with red margins.		68 C. cheilosticta
4 (2)	Sepals 5-8 mm; crest of outer petals very broad.		69 C. lophophora
+	Sepals 1-3 mm; crest of outer petals low or absent		(5)
5 (4)	Leaves tripinnate; spur thin, 5-9 mm.		64 C. flaccida
+	Leaves bipinnate; spur thick, 8-15 mm		(6)
6 (5)	Lower bracts like upper leaf, to 3.5 cm; lower pedicels 20-30 mm; sepals ca. 3 mm; inner petals tipped with dark purple.		66 C. regia
+	Lower bracts shorter; lower pedicels 10-15 mm; sepals 1-2.5 mm; inner petals not or obscurely darker tipped.		65 C. livida
7 (1)	Lower leaves obovate-oblong; lowermost pair of leaflets smaller than second pair; stems 10-30 cm		(8)
+	Lower leaves ovate; lowermost pair of leaflets ca. as large as or larger than second pair; stems 28-60 cm		(10)
8 (7)	Flowers purple; crest 1-2 mm.		71 C. praecipitorum
+	Flowers yellow or white with purple blotch at apex; crest 2-4 mm		(9)
9 (8)	Flowers yellowish white, lower petal with a large purplish blotch across apex and crest; spur almost as long as limb; stems often leafy also in lower 1/2.		72 C. crista-galli
+	Flowers pure yellow; spur less than 1/2 as long as limb; lower 1/2 of stem leafless.		70 C. grandiflora
10 (7)	Flowers ca. 2 cm, very narrow, without crest; spur ca. 1.5 mm wide.		75 C. hebephylla
+	Flowers 2-2.7 cm, broad with very broad crests; spur ca. 2.5 mm wide		(11)
11 (10)	Flowers purple.		74 C. sigmantha
+	Flowers yellow.		73 C. potaninii