| 1 |
Basal leaves pubescent adaxially. |
|
(2) |
| + |
Basal leaves glabrous adaxially. |
|
(7) |
| |
|
|
|
| 2 (1) |
Hairs on adaxial surface of basal leaves setose or eglandular |
|
158 S. gyalana |
| + |
Hairs on adaxial surface of basal leaves glandular. |
|
(3) |
| |
|
|
|
| 3 (2) |
Basal or proximal cauline leaves with at least 3 forward-pointing, triangular lobes. |
|
(4) |
| + |
Basal and cauline leaves entire. |
|
(5) |
| |
|
|
|
| 4 (3) |
Basal leaves with at least 3 forward-pointing, triangular lobes |
|
173 S. candelabrum |
| + |
Basal leaves entire |
|
172 S. dielsiana |
| |
|
|
|
| 5 (3) |
Flowering stem leafless, bearing bracts only |
|
169 S. lixianensis |
| + |
Flowering stem leafy. |
|
(6) |
| |
|
|
|
| 6 (5) |
Petals yellow; plants often forming a mat of basal leaf rosettes |
|
170 S. sediformis |
| + |
Petals abaxially purple, adaxially lilac near base and yellow near apex; plants usually with a single basal leaf rosette |
|
171 S. daochengensis |
| |
|
|
|
| 7 (1) |
Basal leaves adaxially pustulate distally. |
|
(8) |
| + |
Basal leaves adaxially smooth (or wrinkled on drying). |
|
(11) |
| |
|
|
|
| 8 (7) |
Inflorescence 2- or 3-flowered or flower solitary; petals pale yellow to yellow or ivory |
|
163 S. punctulata |
| + |
Inflorescence 2-10-flowered; petals yellow or white. |
|
(9) |
| |
|
|
|
| 9 (8) |
Margin of basal leaves entire |
|
166 S. umbellulata |
| + |
Margin of basal leaves setose-ciliate. |
|
(10) |
| |
|
|
|
| 10 (9) |
Petals white, purple spotted, to 7 mm |
|
164 S. punctulatoides |
| + |
Petals yellow, purple spotted, more than 7 mm |
|
165 S. yushuensis |
| |
|
|
|
| 11 (7) |
Margin of basal leaves entire. |
|
(12) |
| + |
Margin of basal leaves setose- or denticulate-ciliate. |
|
(13) |
| |
|
|
|
| 12 (11) |
Petals yellow, orange spotted; inflorescence cymose |
|
155 S. unguiculata |
| + |
Petals yellow, unspotted; inflorescence subumbellate |
|
166 S. umbellulata |
| |
|
|
|
| 13 (11) |
Petals red, pink, or white on both surfaces or only abaxially. |
|
(14) |
| + |
Petals yellow on both surfaces. |
|
(16) |
| |
|
|
|
| 14 (13) |
Petals more than 7 × 2.5 mm |
|
166 S. umbellulata |
| + |
Petals less than 7 × 2.5 mm. |
|
(15) |
| |
|
|
|
| 15 (14) |
Petals deep red abaxially or on both surfaces |
|
167 S. sanguinea |
| + |
Petals white or pinkish on both surfaces |
|
161 S. signatella |
| |
|
|
|
| 16 (13) |
Basal leaf rosettes usually at least 2 cm in diam. |
|
(17) |
| + |
Basal leaf rosettes rarely to 2 cm in diam. |
|
(18) |
| |
|
|
|
| 17 (16) |
Petals unspotted |
|
166 S. umbellulata |
| + |
Petals adaxially purple spotted proximally |
|
168 S. signata |
| |
|
|
|
| 18 (16) |
Longest cauline leaves at least 7 mm. |
|
(19) |
| + |
Longest cauline leaves less than 7 mm. |
|
(21) |
| |
|
|
|
| 19 (18) |
Sepals glabrous |
|
157 S. taraktophylla |
| + |
Sepals glandular pilose abaxially and marginally. |
|
(20) |
| |
|
|
|
| 20 (19) |
Proximal internodes ca. 2.5 mm |
|
155 S. unguiculata |
| + |
Proximal internodes 3.5-4 mm |
|
156 S. pellucida |
| |
|
|
|
| 21 (18) |
Pedicels glabrous; petals less than 3.5 mm |
|
160 S. elatinoides |
| + |
Pedicels (e)glandular pilose, at least sparsely so; petals more than 4 mm. |
|
(22) |
| |
|
|
|
| 22 (21) |
Sepals spreading at anthesis |
|
162 S. brunneopunctata |
| + |
Sepals reflexed at anthesis. |
|
(23) |
| |
|
|
|
| 23 (22) |
Cauline leaves markedly overlapping |
|
155 S. unguiculata |
| + |
Cauline leaves remote, scarcely, if at all, overlapping |
|
159 S. heterotricha |
