1	Anthers horseshoe-shaped, 1-loculed, transversely dehiscent; cymes umbel-like, 3-7-flowered		27 Oreocharis flavida
+	Anthers broadly oblong, 2-loculed, longitudinally dehiscent; cymes cymose, rarely nearly umbel-like, (1-)4- to many flowered.		(2)
2 (1)	Leaf blade nearly as broad as long, broadly ovate to orbicular or nearly rhombic, to 4(-6) cm; cymes 1-4-flowered.		(3)
+	Leaf blade usually at least 1.5 X longer than broad, lanceolate to elliptic, oblong, ovate, or obovate, rarely broadly ovate then (1.7-)3-17 cm and cymes 1-10-flowered.		(5)
3 (2)	Leaf blade abaxially villous to woolly, 2.5-6 X 2-4.8 cm, margin coarsely dentate to coarsely crenate or serrate, sometimes also denticulate, apex acute, rarely rounded; stamens adnate to corolla 10-12 mm above base		7 Oreocharis dentata
+	Leaf blade abaxially sparsely to densely pubescent, 1.2-3.2 X 1.4-2.5 cm, margin shallowly crenate to subentire, apex rounded; stamens adnate to corolla 1-3 mm above base.		(4)
4 (3)	Leaf blade orbicular, 1.2-2.4 X 1.4-2.2 cm, base cordate; peduncle ca. 7.5 cm; corolla 2.7-3.8 cm, tube cylindric, narrowing toward throat; stamens 5-5.5 mm; pistil 2-5 mm		11 Oreocharis rotundifolia
+	Leaf blade broadly ovate to suborbicular, 2-3.2 X 1.8-2.5 cm, base slightly oblique, rounded to broadly cuneate; peduncle 10-15(-22) cm; corolla ca. 1.6 cm, tube campanulate-tubular; stamens 15-18 mm; pistil 2-2.5 cm		17 Oreocharis cavaleriei
5 (2)	Corolla tube narrowing toward mouth, usually distinctly 2-lipped, rarely slightly 2-lipped (unknown in O. amabilis and O. obliqua).		(6)
+	Corolla tube cylindric or gradually ampliate from base to mouth, usually barely to slightly 2-lipped, occasionally distinctly 2-lipped.		(18)
6 (5)	Bracts early deciduous, 0.5-2 mm; peduncle translucent to purple-red glandular pubescent, glabrescent.		(7)
+	Bracts persistent, 1.5-16 mm; peduncle usually brownish pubescent to woolly.		(9)
7 (6)	Leaf blade glabrous adaxially; corolla 1.3-1.6 cm, abaxial lip lobes 3-4.5 mm		9 Oreocharis minor
+	Leaf blade adaxially densely appressed pubescent; corolla 1.6-2.5 cm, abaxial lip lobes 6-8 mm.		(8)
8 (7)	Pistil glabrous		6 Oreocharis aurantiaca
+	Pistil glandular pubescent		8 Oreocharis cordatula
9 (6)	Corolla limb slightly 2-lipped; stamens adnate to corolla 7-10 mm above base, filaments flattened, broadest near apex; indument on most of plant jointed villous		14 Oreocharis heterandra
+	Corolla limb distinctly 2-lipped; stamens adnate to corolla 0.5-6 mm above base, filaments slender or flattened; indument puberulent to woolly, not jointed.		(10)
10 (9)	Petiole and leaf blade abaxially villous, at least along veins of young leaves; corolla adaxial lobes 1-4 mm.		(11)
+	Petiole and leaf blade abaxially woolly at least along veins; corolla adaxial lobes 4-10 mm.		(14)
11 (10)	Calyx segments 2-5 mm; corolla adaxial lobes 1-3 mm.		(12)
+	Calyx segments 5-8 mm; corolla adaxial lobes 3.5-4 mm (unknown in O. obliqua).		(13)
12 (11)	Petiole to 9 cm; leaf blade 2-9 X 0.8-3.5 cm; peduncle and bracts rust-brown villous		10 Oreocharis georgei
+	Petiole to 4 cm; leaf blade 3-15.5 X 1.5-6.5 cm; peduncle and bracts sparsely to densely rust-brown villous and pubescent		16 Oreocharis forrestii
13 (11)	Stamens ca. 1 cm, filaments glabrous; peduncle 7.5-10 cm; leaf blade apex acute to acuminate		13 Oreocharis obliqua
+	Stamens 4-5 mm, filaments white villous or sparsely pubescent near apex; peduncle 12-40 cm; leaf blade apex acute		12 Oreocharis aurea
14 (10)	Leaf blade lanceolate, 2.5-4 X longer than broad, abaxially densely rust-brown woolly		5 Oreocharis cinnamomea
+	Leaf blade lanceolate-oblong to oblong, elliptic, ovate, or obovate, less than 2.5 X longer than broad, abaxially densely pale brown woolly or glabrescent to pubescent between veins, woolly along veins.		(15)
15 (14)	Leaf blade 1.5-5.5 X 1-2.5 cm.		(16)
+	Leaf blade 2-15 X 1-7 cm.		(17)
16 (15)	Leaf blade abaxially densely pale brown woolly; bracts 5-12 X 2-6 mm		1 Oreocharis amabilis
+	Leaf blade abaxially densely brown woolly along veins, pubescent between; bracts 3-4 X 0.5-1 mm		3 Oreocharis nemoralis
17 (15)	Corolla white to pale purple, ca. 1.2 cm, outside sparsely puberulent; bracts ovate, 1.5-3.5 mm wide; stamens 4.5-6.5 mm; staminode ca. 1.2 mm		4 Oreocharis magnidens
+	Corolla purple, 1.6-2.8 cm, outside sparsely pubescent; bracts linear to narrowly ovate, 0.8-2 mm wide; stamens 7-10 mm; staminode 3-3.5 mm		2 Oreocharis auricula
18 (5)	Leaf blade adaxially with at least some villous indument.		(19)
+	Leaf blade adaxially pubescent to puberulent or glabrescent.		(22)
19 (18)	Leaf blade with only villous indument on both surfaces, apex acute to acuminate; bract margin sometimes sparsely dentate		13 Oreocharis obliqua
+	Leaf blade both villous and pubescent, at least abaxially, apex acute to rounded; bract margin entire.		(20)
20 (19)	Leaf blade margin serrulate or crenate-serrate; bracts 2-3 X 0.5-1 mm; petiole to 14.5 cm; corolla orange-red, outside pubescent; stamens adnate to corolla 4-6 mm above base		19 Oreocharis dasyantha
+	Leaf blade margin coarsely double crenate or dentate to serrate; bracts 3-8 X 1-2 mm; petiole to 6.5 cm; corolla yellow, outside glabrous or glandular puberulent; stamens adnate to corolla 1-3 mm above base.		(21)
21 (20)	Leaf blade oblanceolate to narrowly ovate, 3-15.5 X 1.5-6.5 cm, base cuneate to broadly cuneate; lateral veins 7-11 on each side of midrib; bracts 4-8 mm; corolla abaxial lip lobes 3-5 X 2-4 mm; stamens 2.5-4 mm, filaments glabrous; pistil ca. 4 mm		16 Oreocharis forrestii
+	Leaf blade elliptic to ovate, 1.4-6 X 0.6-3.5 cm, base broadly cuneate to cordate; lateral veins 4 or 5 on each side of midrib; bracts 3-4 mm; corolla abaxial lip lobes 6-9 X 5-7 mm; stamens 10-14 mm, filaments glandular pubescent; pistil ca. 1.4 cm		18 Oreocharis delavayi
22 (18)	Leaf blade lanceolate-oblong to oblong, 2.5-5.5 X 1-2.4 cm; bracts 2-6 mm wide		1 Oreocharis amabilis
+	Leaf blade ovate to elliptic, lanceolate, oblanceolate, or ovate-orbicular, rarely narrowly oblong, (1.7-)3-17 X 0.8-8 cm; bracts 1-2 mm wide.		(23)
23 (22)	Peduncle red to purple glandular pubescent to villous; leaf blade narrowly oblong to lanceolate, abaxially densely light brown pannose; lateral veins indistinct; corolla limb 2-lipped; stamens ca. 4 mm; pistil 5-8 mm		15 Oreocharis henryana
+	Peduncle brown to whitish villous or woolly to pubescent, leaf blade ovate, elliptic, lanceolate, oblanceolate, to ovate-orbicular, abaxially villous or woolly, usually also pubescent; lateral veins adaxially distinct or prominent, rarely indistinct; corolla limb slightly or barely 2-lipped; stamens 5-18 mm; pistil 9-25 mm (unknown in O. obliqua).		(24)
24 (23)	Leaf blade adaxially sparsely villous to glabrescent		13 Oreocharis obliqua
+	Leaf blade adaxially pubescent or pubescent and villous.		(25)
25 (24)	Corolla yellow; disc 2-4 mm, deeply 5-lobed to 5-sect from base; stamens 1.3-1.8 cm, filaments sparsely pubescent, villous basally, anther connective sparsely pubescent to pubescent.		(26)
+	Corolla purple to blue, pink, lavender, orange-red, or greenish; disc 0.8-1.3 mm, entire to shallowly 5-lobed; stamens 0.5-1.3 cm, filaments glabrous to pubescent, anther connective glabrous, rarely puberulent.		(27)
26 (25)	Bracts 5-10 mm; calyx segments 6-12 mm		25 Oreocharis bodinieri
+	Bracts 2-5 mm; calyx segments 4-7 mm		26 Oreocharis tubicella
27 (25)	Leaf blade 3-9 X 1.5-4.5 cm; lateral veins indistinct or distinct; petiole to 4.5 cm.		(28)
+	Leaf blade (1.7-)3-17 X 1.5-8 cm; lateral veins distinct to prominent; petiole to 14.5 cm.		(29)
28 (27)	Corolla tube 4-7 mm wide, adaxial lip shallowly 2-lobed, lobes 1.2-3 X 2-3 mm; bracts 1.5-5 mm; calyx segments 2-3 mm		22 Oreocharis tubiflora
+	Corolla tube 7-10 mm wide, adaxial lip 2-lobed from near base, lobes 3-5 X 4-5 mm; bracts 4-9 mm; calyx segments 4-7 mm		23 Oreocharis maximowiczii
29 (27)	Bracts 2-3 mm; corolla orange-red, tube campanulate; stigmas 2, equal, suborbicular		19 Oreocharis dasyantha
+	Bracts 4-13 mm; corolla purple to blue, purple red, pinkish, or greenish, tube nearly cylindric or broadly tubular to narrowly funnelform; stigma 1, disc-shaped.		(30)
30 (29)	Leaf blade abaxially densely appressed pubescent, apex acute to acuminate; corolla 1.8-2.3 cm		20 Oreocharis argyreia
+	Leaf blade abaxially sparsely to densely pubescent or densely woolly, veins woolly, apex rounded to acute; corolla 0.7-1.6 cm.		(31)
31 (30)	Bracts 6-12 mm; corolla tube nearly cylindric, gradually slightly ampliate from base to mouth, adaxial lip 2-lobed from near middle		21 Oreocharis xiangguiensis
+	Bracts 4-8 mm; corolla tube broadly tubular to narrowly funnelform, gradually ampliate from base to mouth, adaxial lip 2-lobed from near base		24 Oreocharis benthamii