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28. Salix Sect. Vimen Dumortier, Bijdr. Natuurk. Wetensch. 1(1): 56. 1825.
蒿柳组 hao liu zu
Sect. Viminales (Seringe) Koch.
Trees or shrubs. One-year-old branchlets slender, pilose. Leaf blade linear to lanceolate, oblanceolate, or oblong, margin entire, usually revolute, rarely sinuolate or serrulate; midvein often raised abaxially. Flowering precocious or coetaneous. Catkins oblong to shortly cylindric, shortly pedunculate or subsessile; bracts 2-colored, long white pubescent. Male flower: gland solitary, adaxial; stamens 2, distinct; anthers golden yellow. Female flower: ovary sericeous, sessile or stipitate; style long; stigma 2-lobed or entire.
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Key based on male plants
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| 1 |
Branchlets densely gray tomentose |
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226 Salix turanica |
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Branchlets glabrous or pilose, not gray tomentose. |
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(2) |
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| 2 (1) |
Branchlets pubescent |
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225 Salix sachalinensis |
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Branchlets either pubescent with long, grayish white hairs, or sparsely pubescent, or subglabrous. |
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(3) |
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| 3 (2) |
Catkin 2.5-4 × ca. 1.8 cm |
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224 Salix dasyclados |
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Catkin 1.5-3 cm, less than 1.5 cm thick. |
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(4) |
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| 4 (3) |
Catkin ellipsoid-ovoid, 2-3 × ca. 1.5 cm |
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227 Salix schwerinii |
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Catkin ellipsoid, shortly cylindric, or cylindric, 2.5-3 × ca. 1 cm. |
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(5) |
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| 5 (4) |
Young branchlets densely pilose; bracts oblong |
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223 Salix rehderiana |
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Young branchlets sparsely pilose or subglabrous; bracts lanceolate to liguliform or elliptic to oblong. |
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(6) |
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| 6 (5) |
Bracts of male catkin lanceolate or liguliform |
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221 Salix siuzevii |
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Bracts of male catkin elliptic to oblong |
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220 Salix characta |
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List of Keys
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Lower Taxa
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Treatments in Other Floras @ www.efloras.org
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