1	Inflorescences paniculate-racemose, with conspicuous bracts; sepals of flowers reflexed and linear-oblong; leaves 3-lobed, abaxially rufous pilose at primary vein axils.		71 A. wardii
+	Inflorescences racemose, without bracts; sepals of flowers spreading and oblong; leaves unlobed or 3- or 5-lobed, abaxially glabrous to pubescent		(2)
2 (1)	Leaves ovate or oblong-ovate, unlobed or 3-lobed		(3)
+	Leaves ovate, usually 3- or 5-lobed or occasionally not lobed		(5)
3 (2)	Inflorescence 40-50-flowered.		63 A. sikkimense
+	Inflorescence 10-30-flowered		(4)
4 (3)	Leaves acuminate, margin crenate-serrate, abaxially rufous tomentose on veins at least when young; inflorescence 20-30-flowered; widely distributed in China.		62 A. davidii
+	Leaves caudate-acuminate, margin nearly entire or closely serrulate, abaxially glabrous; inflorescence 10-15-flowered; restricted to Taiwan.		64 A. caudatifolium
5 (2)	Leaves usually deeply 5-lobed, rarely 3-lobed, lateral lobes as large and long as central lobe		(6)
+	Leaves usually 3-lobed or shallowly 5-lobed, lateral lobes distinctly smaller and shorter than central lobe		(8)
6 (5)	Leaves abaxially ± pubescent on veins.		68 A. pectinatum
+	Leaves abaxially glabrous		(7)
7 (6)	Middle lobe apically acuminate or caudate-acuminate, lateral lobes apically acuminate, basal lobes apically acute or obtuse, sinuses acute, reaching to 1/3 width of blade; margin doubly serrate.		73 A. komarovii
+	Middle and lateral lobes apically acuminate, basal lobes apically acute, sinuses deeply narrowly acuminate, reaching to 2/3 or 4/5 width of blade; margin sharply serrulate.		74 A. maximowiczii
8 (5)	Leaves oblong to ovate, usually much longer than broad		(9)
+	Leaves orbicular-ovate, nearly as broad as long		(11)
9 (8)	Leaf lateral lobes in upper part; inflorescence 15-40-flowered.		69 A. chienii
+	Leaf lateral lobes in lower part; inflorescence less than 20-flowered		(10)
10 (9)	Inflorescence less than 10-flowered; lateral lobes usually inconspicuous, margin coarsely serrate.		67 A. laxiflorum
+	Inflorescence 15-20-flowered; lateral lobes distinct, margin doubly serrulate.		70 A. forrestii
11 (8)	Leaves shallowly 5-lobed, lateral lobes shortly acute or obsolete.		72 A. morrisonense
+	Leaves 3-lobed		(12)
12 (11)	Leaves with central lobes ovate-acuminate.		66 A. tegmentosum
+	Leaves with central lobes triangular-acuminate		(13)
13 (12)	Lateral lobes apically shortly obtuse or obsolete, rarely acute, margin closely serrulate.		62 A. davidii
+	Lateral lobes apically acuminate or long acuminate with entire acumen, margin coarsely serrate.		65 A. metcalfii