|
| 1 |
Current year branchlets glabrous or puberulent, sometimes only obviously minutely puberulent under magnification |
|
(2) |
| + |
Current year branchlets densely pubescent, hispidulous, hirsute, or spreading villous |
|
(6) |
| |
|
|
|
| 2 (1) |
Sepals linear-lanceolate, 5-10 mm, apex caudate-acuminate. |
|
37 C. longicalyx |
| + |
Sepals broader than linear-lanceolate, 1-5(-8) mm, apex rounded, obtuse, or caudate |
|
(3) |
| |
|
|
|
| 3 (2) |
Young branches slender and ascendant; pedicel 8-12 mm, not thinkened toward apex; calyx ca. 2/3 connate. |
|
49 C. elongata |
| + |
Young branches spreading; pedicel 2-5 mm, thickened toward apex; calyx ca. 1/2 or less connate |
|
(4) |
| |
|
|
|
| 4 (3) |
Leaf blade glabrous, midvein adaxially impressed. |
|
36 C. glabricostata |
| + |
Leaf blade minutely hirtellous, midvein adaxially raised |
|
(5) |
| |
|
|
|
| 5 (4) |
Leaf blade oblong-elliptic, elliptic, or oblong-lanceolate; sepals and petals outside not farinose-puberulent; sepal margins membranous. |
|
34 C. cuspidata |
| + |
Leaf blade lanceolate to linear-lanceolate; sepals and petals outside farinose-puberulent; sepal margins ciliolate. |
|
35 C. viridicalyx |
| |
|
|
|
| 6 (1) |
Current year branchlets spreading villous, hirsute, or pubescent |
|
(7) |
| + |
Current year branchlets densely pubescent or hispidulous |
|
(10) |
| |
|
|
|
| 7 (6) |
Filaments white pilose. |
|
47 C. tsingpienensis |
| + |
Filaments glabrous |
|
(8) |
| |
|
|
|
| 8 (7) |
Leaves distichous; leaf blade ovate to elliptic-ovate, 1-2.5 cm, base rounded to subcordate; sepals outside glabrous. |
|
44 C. trichoclada |
| + |
Leaves not distichous; leaf blade elliptic, oblong-elliptic, or ovate-lanceolate, 2-8 cm, base broadly cuneate to cuneate; sepals outside villous |
|
(9) |
| |
|
|
|
| 9 (8) |
Leaf blade 4-8 × 2-3.5 cm; petiole 3-5 mm; calyx lobes inside yellow sericeous; petals 2-2.5 cm. |
|
45 C. fraterna |
| + |
Leaf blade 2-4.8 × 1-1.7 cm; petiole 1.5-3 mm; calyx lobes inside glabrous; petals 1-1.8 cm. |
|
46 C. transarisanensis |
| |
|
|
|
| 10 (6) |
Style usually divided to middle, apically parted for (1-)2.5-9 mm |
|
(11) |
| + |
Style apically 3-lobed or 3-parted, apically parted for ca. 1.5 mm or less |
|
(14) |
| |
|
|
|
| 11 (10) |
Style (4 or)5-parted. |
|
31 C. stuartiana |
| + |
Style 3-parted |
|
(12) |
| |
|
|
|
| 12 (11) |
Style parted for 7-9 mm. |
|
33 C. crassipes |
| + |
Style parted for 2.5-5 mm |
|
(13) |
| |
|
|
|
| 13 (12) |
Leaf blade elliptic, elliptic-ovate, ovate, or oblong-ovate, 2-7 × 1-2.5 cm, base rounded to obtuse, apex broadly obtuse, bluntly acute, or bluntly acuminate; bracteoles outside glabrous; stamens 0.9-1.2 cm; style 0.8-1.2 cm; capsule apex convex. |
|
32 C. forrestii |
| + |
Leaf blade oblong-lanceolate, lanceolate, or narrowly lanceolate, 5-10 × 1.5-3 cm, base cuneate to broadly cuneate, apex long acuminate to caudate; bracteoles outside pubescent; stamens 1.1-1.4 cm; style 1.2-1.5 cm; capsule apex apiculate. |
|
40 C. tsaii |
| |
|
|
|
| 14 (10) |
Leaf blade 2-4.5 cm |
|
(15) |
| + |
Leaf blade 5-10(-12) cm |
|
(17) |
| |
|
|
|
| 15 (14) |
Bracteoles 4-8, covering pedicel. |
|
41 C. lutchuensis |
| + |
Bracteoles 3-5, not covering pedicel |
|
(16) |
| |
|
|
|
| 16 (15) |
Pedicel 2-4 mm, stout, bracteoles outside glabrous; calyx lobes 2-2.5 mm. |
|
42 C. rosthorniana |
| + |
Pedicel 4-10 mm but to 15 mm in fruit, slender, bracteoles outside puberulent near apex; calyx lobes 1-1.5 mm. |
|
43 C. euryoides |
| |
|
|
|
| 17 (14) |
Calyx lobes outside glabrous. |
|
38 C. synaptica |
| + |
Calyx lobes outside pubescent |
|
(18) |
| |
|
|
|
| 18 (17) |
Pedicel 2-5 mm; calyx 3-4.5 mm. |
|
39 C. costei |
| + |
Pedicel ca. 7 mm; calyx 5-5.6 mm. |
|
48 C. cupiformis |
|
