| 1 |
Ovary glabrous (rarely partly pilose). |
|
(2) |
| + |
Ovary pilose. |
|
(4) |
| |
|
|
|
| 2 (1) |
Branchlets villous |
|
129 Salix maizhokunggarensis |
| + |
Branchlets glabrous. |
|
(3) |
| |
|
|
|
| 3 (2) |
Glands 2 (adaxial and abaxial), basally connate, forming a multilobed false disc |
|
127 Salix cupularis |
| + |
Gland 1 (adaxial), ovate-terete |
|
128 Salix taipaiensis |
| |
|
|
|
| 4 (1) |
Leaflets at base of catkin or on peduncles oblong or lanceolate. |
|
(5) |
| + |
Leaflets at base of catkin or on peduncles elliptic to suborbicular. |
|
(6) |
| |
|
|
|
| 5 (4) |
Leaflets 3 or more at base of catkin, abaxially glabrous; adaxial gland 2- or 3-lobed |
|
134 Salix atopantha |
| + |
Leaflet only 1 at base of catkin, abaxially shortly woolly; gland usually entire |
|
138 Salix kongbanica |
| |
|
|
|
| 6 (4) |
Bracts ca. 5 mm |
|
144 Salix pseudospissa |
| + |
Bracts less than 3 mm. |
|
(7) |
| |
|
|
|
| 7 (6) |
Catkin capitate to oblong; leaves small, 8-14 mm at anthesis. |
|
(8) |
| + |
Catkin shortly terete or terete; leaves larger, more than 15 mm at anthesis (sometimes not opening in S. muliensis). |
|
(12) |
| |
|
|
|
| 8 (7) |
Female flower with adaxial and abaxial glands. |
|
(9) |
| + |
Female flower with only an adaxial gland. |
|
(10) |
| |
|
|
|
| 9 (8) |
Bracts pilose |
|
141 Salix sclerophylla |
| + |
Bracts glabrous or sparsely ciliate |
|
140 Salix wuxuhaiensis |
| |
|
|
|
| 10 (8) |
Bracts glabrous |
|
139 Salix sclerophylloides |
| + |
Bracts pubescent. |
|
(11) |
| |
|
|
|
| 11 (10) |
Leaves elliptic, long elliptic or obovate-oblong, margin serrulate |
|
130 Salix occidentalisinensis |
| + |
Leaves oblanceolate or long obovate-elliptic, margin entire |
|
131 Salix neoamnematchinensis |
| |
|
|
|
| 12 (7) |
Female flower with adaxial and abaxial glands. |
|
(13) |
| + |
Female flower with only adaxial gland. |
|
(15) |
| |
|
|
|
| 13 (12) |
Glands basally usually connate, forming a multilobed false disc, or adaxial gland 2- or 3-lobed |
|
132 Salix oritrepha |
| + |
Glands not connate, not forming a false disc. |
|
(14) |
| |
|
|
|
| 14 (13) |
Young leaves densely tomentose; petiole much shorter than leaf blade; adaxial gland entire |
|
133 Salix gyamdaensis |
| + |
Young leaves glabrous or sparsely silky; petiole ca. 1/4-1/3 as long as leaf blade, reddish; adaxial gland sometimes lobed |
|
145 Salix gilashanica |
| |
|
|
|
| 15 (12) |
Catkin ca. 5 mm thick. |
|
(16) |
| + |
Catkin usually more than 8 mm thick. |
|
(17) |
| |
|
|
|
| 16 (15) |
Petiole ca. 1/5 as long as leaf blade |
|
135 Salix biondiana |
| + |
Petiole short or almost absent |
|
136 Salix qinlingica |
| |
|
|
|
| 17 (15) |
Young leaves usually inconspicuously dentate; bracts oblong; ovary ± stipitate. |
|
(18) |
| + |
Young leaves entire; bracts obovate or obdeltoid; ovary sessile. |
|
(19) |
| |
|
|
|
| 18 (17) |
Ovary sessile or subsessile |
|
142 Salix rockii |
| + |
Ovary with stipe ca. 0.5 mm |
|
143 Salix juparica |
| |
|
|
|
| 19 (17) |
Bracts orbicular-ovate |
|
147 Salix jinchuanica |
| + |
Bracts obovate. |
|
(20) |
| |
|
|
|
| 20 (19) |
Bracts subtruncate at apex |
|
137 Salix muliensis |
| + |
Bracts rounded at apex |
|
146 Salix dalungensis |
