1	Lower pedicels 20-45 mm, erect and only apically hooked in fruit.		246 C. uvaria
+	Lower pedicels 5-17 mm, recurved from base in fruit		(2)
2 (1)	Nectary ca. 1/4 as long as spur.		240 C. adoxifolia
+	Nectary longer		(3)
3 (2)	Upper petal emarginate; limb of lower petal more than 2 × broader than upper petal, rounded to emarginate.		241 C. yargongensis
+	Upper petal acute; limb of lower petal acute to subobtuse, less than 2 × as broad as upper petal		(4)
4 (3)	Outer petals not crested, lower petal without spurlet at base; leaflets of radical leaves coarsely dentate.		242 C. ischnosiphon
+	Outer petals crested, lower petal with diminutive spur at base; leaflets of radical leaves not dentate		(5)
5 (4)	Limb of lower petal rounded, obtuse, shortly pointed; spurlet of lower petal conspicuous, ca. 1 mm wide, pouchlike; crest of outer petals 1-2 mm wide; spur 2-2.5 mm wide; nectary conspicuous.		243 C. heterothylax
+	Limb of lower petal rhombic-acute; spurlet of lower petal ca. 0.2 mm wide, peglike; crest of outer petals 0.5-1 mm wide; spur 1-1.5 mm wide; nectary very thin		(6)
6 (5)	Cauline leaves deeply sub-biternatisect with ca. 5 ultimate lobes; spur cylindric or slightly thickened at apex.		244 C. pseudobalfouriana
+	Cauline leaves much divided, ultimate lobes 10-30; spur slightly tapering to apex.		245 C. appendiculata