1 |
Ovary and capsule glabrous. |
|
(2) |
+ |
Ovary and capsule pilose. |
|
(8) |
|
|
|
|
2 (1) |
Bracts hairy. |
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(3) |
+ |
Bracts glabrous abaxially. |
|
(4) |
|
|
|
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3 (2) |
Bracts long sericeous abaxially |
|
256 Salix leveilleana |
+ |
Bracts villous only proximally and at margin |
|
257 Salix yumenensis |
|
|
|
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4 (2) |
Bracts abaxially wrinkled, persistent |
|
260 Salix pycnostachya |
+ |
Bracts not wrinkled, completely or partly caducous after anthesis. |
|
(5) |
|
|
|
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5 (4) |
Bracts brownish or blackish; leaf blade of fruiting branchlets 11-16 × as long as wide |
|
254 Salix michelsonii |
+ |
Bracts pale; leaf blade of fruiting branchlets 5-10 × as long as wide. |
|
(6) |
|
|
|
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6 (5) |
Mature shoots dark; young leaves tender, abaxially silvery pubescent |
|
259 Salix kirilowiana |
+ |
Mature shoots pale; leaves somewhat rigid, glabrous or sparsely pubescent. |
|
(7) |
|
|
|
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7 (6) |
Capsule conical, normally developed; branchlets chestnut-brown |
|
255 Salix capusii |
+ |
Capsule linear-lanceolate; branchlets yellowish |
|
258 Salix carmanica |
|
|
|
|
8 (1) |
Catkins opposite, rarely alternate, sessile; flowering precocious |
|
263 Salix koriyanagi |
+ |
Catkins alternate; flowering nearly coetaneous. |
|
(9) |
|
|
|
|
9 (8) |
Catkin pedunculate; leaflets on peduncle not deciduous (except sometimes in S. tenuijulis). |
|
(10) |
+ |
Catkin sessile or shortly pedunculate; scalelike leaflets on peduncle readily deciduous. |
|
(15) |
|
|
|
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10 (9) |
Leaf blade of flowering branchlets linear, ± equally wide proximally and distally. |
|
(11) |
+ |
Leaf blade of flowering branchlets usually broadest above middle. |
|
(12) |
|
|
|
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11 (10) |
Juvenile branchlets tomentose |
|
265 Salix tenuijulis |
+ |
Juvenile branchlets glabrous |
|
264 Salix blakii |
|
|
|
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12 (10) |
Margin of young leaves dentate. |
|
(13) |
+ |
Margin of young leaves nearly entire. |
|
(14) |
|
|
|
|
13 (12) |
Leaf blade 11-16 × as long as wide; bracts glabrous or pilose |
|
261 Salix gracilior |
+ |
Leaf blade 6-7 × as long as wide; bracts white downy |
|
262 Salix yanbianica |
|
|
|
|
14 (12) |
Bracts abaxially wrinkled, persistent |
|
260 Salix pycnostachya |
+ |
Bracts abaxially not wrinkled, caducous during fruiting |
|
258 Salix carmanica |
|
|
|
|
15 (9) |
Shrubs dwarf, alpine; branchlets blackened |
|
266 Salix lamashanensis |
+ |
Shrubs of low mountains or plains; branchlets not blackened. |
|
(16) |
|
|
|
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16 (15) |
Style very short to absent. |
|
(17) |
+ |
Style conspicuous to relatively large. |
|
(19) |
|
|
|
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17 (16) |
Bracts 2-colored; leaves coarsely serrate |
|
269 Salix linearistipularis |
+ |
Bracts uniformly colored; leaves entire or obtusely serrate. |
|
(18) |
|
|
|
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18 (17) |
Leaves entire |
|
267 Salix caspica |
+ |
Leaves loosely obtusely serrate |
|
268 Salix donggouxianica |
|
|
|
|
19 (16) |
Catkin 4-6 cm × 5-8 mm; bracts densely gray tomentose, black distally |
|
270 Salix sungkianica |
+ |
Catkin 1-4 cm × 3-5 mm; bracts uniformly colored or 2-colored. |
|
(20) |
|
|
|
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20 (19) |
Scalelike leaflets on peduncle abaxially glabrous or pilose; bracts uniformly colored; branchlets yellowish or purplish red; leaf blade lanceolate |
|
271 Salix suchowensis |
+ |
Scalelike leaflets on peduncle abaxially densely villous; bracts 2-colored; branchlets yellowish; leaf blade linear |
|
272 Salix psammophila |