1	Calyx lobes connate at base into a cupular limb.		(2)
+	Calyx lobes not connate at base into a cupular limb.		(3)
2 (1)	Calyx lobes ovate, 5-10 × 5-6 mm; corolla 4-5 cm, lobes 4-6 × ca. 5 mm		2 Crawfurdia campanulacea
+	Calyx lobes ovate-triangular, 3-5 × ca. 1.5 mm; corolla ca. 3 cm, lobes ca. 3 × 3-4 mm		3 Crawfurdia tsangshanensis
3 (1)	Calyx tube with intracalycular membranes at apex.		(4)
+	Calyx tube without intracalycular membranes at apex.		(9)
4 (3)	Corolla 5-8.5 cm.		(5)
+	Corolla 2-4.5 cm.		(7)
5 (4)	Stems dark purple spotted		4 Crawfurdia maculaticaulis
+	Stems not dark purple spotted.		(6)
6 (5)	Corolla 6-8.5 cm, lobes 1-1.7 cm; plicae broadly triangular; fruiting gynophore less than 0.5 cm		1 Crawfurdia angustata
+	Corolla ca. 5 cm, lobes ca. 0.3 cm; plicae semiorbicular to truncate; fruiting gynophore 3-4 cm		6 Crawfurdia sessiliflora
7 (4)	Calyx lobes reflexed		5 Crawfurdia pricei
+	Calyx lobes not reflexed.		(8)
8 (7)	Plants with fleshy rhizomes; leaf blade ovate; petiole 5-7 mm		7 Crawfurdia speciosa
+	Plants without fleshy rhizomes; leaf blade lanceolate to ovate-lanceolate; petiole to 3 mm		8 Crawfurdia thibetica
9 (3)	Leaf blade densely hirsute		9 Crawfurdia puberula
+	Leaf blade glabrous or sparsely hirsute along veins.		(10)
10 (9)	Corolla 2-3.5 cm.		(11)
+	Corolla more than 3.5 cm.		(12)
11 (10)	Upper leaf blades lanceolate, ca. 1 cm wide; calyx tube longer than lobes; corolla 3-3.5 cm		10 Crawfurdia delavayi
+	Upper leaf blades ovate-lanceolate to ovate, 2-3 cm wide; calyx tube as long as lobes; corolla 2-2.5 cm		11 Crawfurdia gracilipes
12 (10)	Calyx lobes spatulate, apex obtuse; corolla funnelform, lobes ca. 6 mm		14 Crawfurdia semialata
+	Calyx lobes lanceolate, apex acute; corolla campanulate, lobes 2-4 mm.		(13)
13 (12)	Leaf blade glabrous; petiole 1-2 cm		12 Crawfurdia dimidiata
+	Leaf blade abaxially hirsute along veins; petiole to 0.3 cm		13 Crawfurdia crawfurdioides