| 1 |
Basal leaves caducous, mostly absent by anthesis. |
|
(2) |
| + |
Basal leaves persistent, mostly present at anthesis. |
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(17) |
| |
|
|
|
| 2 (1) |
Proximal and median cauline leaves sessile. |
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(3) |
| + |
Proximal and median cauline leaves petiolate. |
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(6) |
| |
|
|
|
| 3 (2) |
Cauline leaves orbicular to elliptic or ovate; petals 8-11 mm |
|
42 S. kingdonii |
| + |
Cauline leaves lanceolate to ovate or oblong; petals 5-8.5 mm. |
|
(4) |
| |
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|
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| 4 (3) |
Base of cauline leaves rounded to obtuse, amplexicaul |
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47 S. subamplexicaulis |
| + |
Base of cauline leaves cordate, ± amplexicaul. |
|
(5) |
| |
|
|
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| 5 (4) |
Cauline leaves pandurate (narrowed at middle) |
|
43 S. moorcroftiana |
| + |
Cauline leaves ovate to narrowly so |
|
44 S. kingiana |
| |
|
|
|
| 6 (2) |
Cauline leaves less than 1.5 cm. |
|
(7) |
| + |
Cauline leaves at least 1.5 cm. |
|
(10) |
| |
|
|
|
| 7 (6) |
Sepals glandular pilose abaxially; petals brown spotted |
|
50 S. giraldiana |
| + |
Sepals glabrous abaxially; petals orange spotted or unspotted. |
|
(8) |
| |
|
|
|
| 8 (7) |
Petals elliptic, orange spotted |
|
35 S. smithiana |
| + |
Petals ovate, unspotted. |
|
(9) |
| |
|
|
|
| 9 (8) |
Pedicels densely glandular pilose |
|
49 S. stellariifolia |
| + |
Pedicels glabrate, or at most sparsely glandular pilose |
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51 S. egregioides |
| |
|
|
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| 10 (6) |
Stem glabrous proximally, except at nodes. |
|
(11) |
| + |
Stem glandular pilose or brown crisped pilose. |
|
(13) |
| |
|
|
|
| 11 (10) |
Petals at least 7 mm; petiole of proximal leaves 0.5-1 cm |
|
41 S. haplophylloides |
| + |
Petals to 7 mm; petiole of proximal leaves 0.7-6 cm. |
|
(12) |
| |
|
|
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| 12 (11) |
Apex of proximal leaves acuminate |
|
34 S. insolens |
| + |
Apex of proximal leaves acute |
|
33 S. cardiophylla |
| |
|
|
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| 13 (10) |
Sepals spreading |
|
36 S. eglandulosa |
| + |
Sepals reflexed. |
|
(14) |
| |
|
|
|
| 14 (13) |
Sepals glabrous |
|
35 S. smithiana |
| + |
Sepals glandular pilose abaxially and sometimes marginally. |
|
(15) |
| |
|
|
|
| 15 (14) |
Leaves smaller distally on stem; inflorescence 3-12-flowered |
|
30 S. implicans |
| + |
Leaves not much smaller distally on stem; inflorescence 6-30-flowered. |
|
(16) |
| |
|
|
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| 16 (15) |
Stem zigzagged |
|
32 S. omphalodifolia |
| + |
Stem straight |
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38 S. subaequifoliata |
| |
|
|
|
| 17 (1) |
Basal leaf blade rounded, obtuse, or cuneate at base. |
|
(18) |
| + |
Basal leaf blade cordate at base. |
|
(23) |
| |
|
|
|
| 18 (17) |
Sepals erect to spreading. |
|
(19) |
| + |
Sepals reflexed. |
|
(20) |
| |
|
|
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| 19 (18) |
Proximal cauline leaves sessile, pandurate |
|
43 S. moorcroftiana |
| + |
Proximal cauline leaves petiolate, ovate |
|
40 S. gedangensis |
| |
|
|
|
| 20 (18) |
Petals purple, spotted purple-black |
|
46 S. pardanthina |
| + |
Petals yellow, spotted or unspotted. |
|
(21) |
| |
|
|
|
| 21 (20) |
Basal leaf blade to 2.4 cm |
|
48 S. pratensis |
| + |
Basal leaf blade at least 2.4 cm. |
|
(22) |
| |
|
|
|
| 22 (21) |
Petals spotted |
|
45 S. sheqilaensis |
| + |
Petals unspotted |
|
39 S. glaucophylla |
| |
|
|
|
| 23 (17) |
Proximal median cauline leaves sessile. |
|
(24) |
| + |
Proximal median cauline leaves petiolate. |
|
(27) |
| |
|
|
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| 24 (23) |
At least some cauline leaves ovate, base cordate, ± amplexicaul; sepals erect to spreading. |
|
(25) |
| + |
Cauline leaves narrowly elliptic, base rounded, not amplexicaul; sepals reflexed. |
|
(26) |
| |
|
|
|
| 25 (24) |
Petals to 8 mm |
|
29 S. parnassiifolia |
| + |
Petals at least 8 mm |
|
28 S. sphaeradena |
| |
|
|
|
| 26 (24) |
Inflorescence cymose, 2- or 3-flowered, or flower solitary; basal leaf blade 1.1-2 cm |
|
23 S. dianxibeiensis |
| + |
Inflorescence corymbiform, 5-17-flowered; basal leaf blade 1.5-5 cm |
|
22 S. diversifolia |
| |
|
|
|
| 27 (23) |
Sepals reflexed. |
|
(28) |
| + |
Sepals erect to spreading. |
|
(30) |
| |
|
|
|
| 28 (27) |
Petals yellow, heavily purple spotted in proximal 1/2 |
|
27 S. tigrina |
| + |
Petals yellow, unspotted. |
|
(29) |
| |
|
|
|
| 29 (28) |
Proximal median cauline leaves ovate |
|
24 S. egregia |
| + |
Proximal median cauline leaves ovate-cordate |
|
22 S. diversifolia |
| |
|
|
|
| 30 (27) |
Median cauline leaf blade larger than basal one |
|
31 S. subomphalodifolia |
| + |
Median cauline leaf blade smaller than or equaling basal one. |
|
(31) |
| |
|
|
|
| 31 (30) |
Petiole of basal leaves at least 5 cm; cauline leaves 1-3 |
|
25 S. erectisepala |
| + |
Petiole of basal leaves to 4.5 cm; cauline leaves 3-6. |
|
(32) |
| |
|
|
|
| 32 (31) |
Base of distal cauline leaves cordate, ± amplexicaul |
|
26 S. maxionggouensis |
| + |
Base of distal cauline leaves rounded, not amplexicaul |
|
37 S. hookeri |
