1	Capsule not twisted (unknown in P. clavisepala and P. tribracteata).		(2)
+	Capsule spirally twisted.		(8)
2 (1)	Subshrubs; peduncle 2-2.7 cm; bracts 1 or 2, ca. 0.3 mm; calyx segments 1-1.2 mm; corolla 4-5 mm, outside sparsely glandular puberulent; leaf blade 0.9-2.5 X 0.4-1 cm		1 Paraboea velutina
+	Herbs, rarely subshrubs; peduncle 2.5-21 cm; bracts 2(or 3), 2-25 mm; calyx segments 2-6 mm; corolla 9-18 mm, outside glabrous; leaf blade 1-33.5 X 0.3-10 cm.		(3)
3 (2)	Stems 17-50 cm; leaves opposite, spread along stem; bracts 7-25 mm		9 Paraboea clavisepala
+	Stems to 10 cm or absent; leaves spiral near stem apex or basal; bracts 1-13 mm.		(4)
4 (3)	Leaf blade base peltate-auriculate or peltate and rounded to cuneate, rarely merely cordate to cuneate; bracts 1-3(-4) mm.		(5)
+	Leaf blade base attenuate to broadly cuneate, sometimes ultimately rounded; bracts 5-13 mm.		(6)
5 (4)	Leaf blade 6-33.5 X 3-14.3 cm; lateral veins 11-18 on each side of midrib; petiole 1-9 cm; calyx 2-lipped, adaxial lip 2-toothed, teeth ca. 0.7 mm, abaxial lip 3-sect from base, segments ca. 2 mm; staminodes 2, ca. 2 mm; ovary ca. 5 mm		2 Paraboea peltifolia
+	Leaf blade 1-5 X 0.3-2.2 cm; lateral veins 4-6 on each side of midrib; petiole 0.3-0.9 cm; calyx 5-sect from base, segments lanceolate, 2-3.5 mm; staminode 1, ca. 0.2 mm; ovary ca. 1.5 mm		3 Paraboea filipes
6 (4)	Leaf blade narrowly oblanceolate, 1.7-2.4 cm wide; lateral veins 3 or 4 on each side of midrib; bracts and calyx glabrous outside; corolla red; bracts 3; staminodes 2		16 Paraboea tribracteata
+	Leaf blade oblanceolate or obovate, (1.5-)2.8-8.8 cm wide; lateral veins 5-11 on each side of midrib; bracts and calyx pannose or woolly outside; corolla purplish or purple-blue; bracts 2(or 3); staminodes 3.		(7)
7 (6)	Plants stemless; leaf blade abaxially densely brownish woolly, veins margin rust-brown woolly; peduncle 2.5-9 cm, tomentose; filaments ca. 2 mm, glandular puberulent		4 Paraboea nutans
+	Plants stemless or stems to 10 cm; leaf blade abaxially pannose; peduncle 8-21 cm, pannose to sparsely pannose, glabrescent; filaments 6-7 mm, glabrous		15 Paraboea dictyoneura
8 (1)	Leaves opposite, spread along stem.		(9)
+	Leaves basal or mostly crowded at stem apex.		(13)
9 (8)	Bracts early deciduous or to 10 mm; corolla tube 3-5 mm; filaments 1.5-3 mm, anthers 2-2.5 mm; ovary 2.5-3 mm.		(10)
+	Bracts (7-)10-50 mm; corolla tube 5-13 mm; filaments 6-10 mm, anthers 3-4 mm; ovary 4-6 mm.		(11)
10 (9)	Cymes appearing terminal; peduncle 5-13 cm; capsule 2-2.5 cm; leaf blade 4-14 X 2-5 cm, adaxially grayish woolly, glabrescent		5 Paraboea swinhoei
+	Cymes axillary; peduncle 4-5 cm; capsule 0.8-1.5 cm; leaf blade 2-7 X 1-3 cm, adaxially densely pubescent		6 Paraboea changjiangensis
11 (9)	Calyx segments oblong-spatulate to flabellate or obovate, 7-15 X 4-7 mm; stems to 1 m; peduncle 2.5-6(-8) cm, brown pannose		7 Paraboea sinensis
+	Calyx segments lanceolate or narrowly oblong to narrowly triangular, 1.8-3 X 0.5-1 mm; stems to 40 cm; peduncle 5-20 cm, cobwebby-woolly, glabrescent.		(12)
12 (11)	Bracts narrowly ovate to obovate, 3-5 X 1-2 cm; filaments glabrous to glandular puberulent; leaf blade apex obtuse to acute		11 Paraboea glutinosa
+	Bracts lanceolate to ovate, 0.7-3 X 0.4-1.3 cm; filaments bearded; leaf blade apex acuminate to acute		12 Paraboea martinii
13 (8)	Corolla 4.5-5.2 mm; ovary and capsule mealy; capsule 0.6-1.2 cm		13 Paraboea thirionii
+	Corolla 8-25 mm; ovary sparsely glandular puberulent or puberulent to glabrous (unknown in P. paramartinii); capsule glabrous, 1.5-6.5 cm (unknown in P. clavisepala and P. tribracteata).		(14)
14 (13)	Stems to 50 cm; petiole (0.5-)1-10 cm; leaf blade base decurrent to subcordate, sometimes oblique; filaments glandular puberulent to bearded, rarely glabrous (unknown in P. paramartinii).		(15)
+	Plants stemless or stems to 15 cm; petiole absent to 4.5 cm; leaf blade base attenuate to cuneate, sometimes ultimately rounded; filaments glabrous.		(19)
15 (14)	Peduncle 3-4 cm; bracts 2 at apex of peduncle, another pair at first branch		10 Paraboea paramartinii
+	Peduncle 4-20 cm; bracts 2.		(16)
16 (15)	Leaf blade adaxially densely puberulent to pubescent, not cobwebby-woolly; bracts 7-12 X 4-11 mm		8 Paraboea rufescens
+	Leaf blade adaxially cobwebby-woolly, glabrescent, sometimes also strigose; bracts 7-50 X 2-20 mm.		(17)
17 (16)	Leaf blade abaxially densely grayish woolly; calyx segments spatulate to suboblong, 3-4 mm		9 Paraboea clavisepala
+	Leaf blade abaxially brown pannose; calyx segments lanceolate or narrowly oblong to narrowly triangular, 1.8-3 mm.		(18)
18 (17)	Bracts narrowly ovate to obovate, 3-5 X 1-2 cm; filaments glabrous to glandular puberulent; leaf blade apex obtuse to acute		11 Paraboea glutinosa
+	Bracts lanceolate to ovate, 0.7-3 X 0.4-1.3 cm; filaments bearded; leaf blade apex acuminate to acute		12 Paraboea martinii
19 (14)	Leaf blade narrowly oblanceolate, 1.7-2.4 cm wide; lateral veins 3 or 4 on each side of midrib; bracts 3, outside glabrous; corolla red		16 Paraboea tribracteata
+	Leaf blade oblanceolate to obovate or spatulate, rarely lanceolate or ovate, 1.2-8 cm wide; lateral veins 4-10 on each side of midrib; bracts 2(or 3), outside woolly or pannose; corolla bluish to deep purple.		(20)
20 (19)	Leaf blade leathery, adaxially glabrous to glabrescent; corolla glandular puberulent outside; ovary puberulent; peduncle 12-30 cm; pedicel 1-4 cm		18 Paraboea hainanensis
+	Leaf blade thick papery, adaxially woolly, glabrescent; corolla glabrous outside; ovary glabrous; peduncle 3-21 cm; pedicel 0.5-2 cm.		(21)
21 (20)	Bracts ovate to elliptic, ca. 1.5 mm; corolla adaxial lip lobes 0.5-2 mm; capsule 1.5-2.5 cm		14 Paraboea neurophylla
+	Bracts linear to subulate or lanceolate to narrowly oblong, 2-13 mm; corolla adaxial lip lobes 3-6 mm; capsule 1.5-6 cm.		(22)
22 (21)	Leaf blade oblanceolate, rarely obovate; bracts 5-13 mm; calyx 3-6 mm, outside woolly; staminodes 3		15 Paraboea dictyoneura
+	Leaf blade spatulate, rarely lanceolate, obovate, or ovate, bracts 2-5 mm; calyx 2-3 mm, outside puberulent; staminodes 2		17 Paraboea crassifolia