Contains 7 accepted taxa overall.
Characteristics
Classification
Citation
SALIX Linnaeus, Sp. Pl. 1015. 1753, nom. cons.
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TYPE: Salix alba Linnaeus 1753, typ. cons.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Salix babylonica | Weeping Willow | |||
| Salix caroliniana | Carolina Willow, Coastal Plain Willow | |||
| Salix cinerea | Gray Willow | |||
| Salix humilis | Upland Willow, Prairie Willow | |||
| Salix nigra | Black Willow | |||
| Salix occidentalis | Dwarf Upland Willow, Sage Willow | |||
| Salix sericea | Silky Willow |
Identification Key
1. Leaf blade margin entire, undulate, to obscurely toothed near the apex
1. Leaf blade margin regularly toothed
2
2. Mature leaf blades oblong to broadly lanceolate, the tip acute to abruptly acuminate, 2.5-5 cm wide, 2.4-3 times longer than wide
2. Mature leaf blades linear-lanceolate to lanceolate, the tip tapered-acue, 0.5-3.5 cm wide, 3-14 times longer than wide
3
3. Shrub to 6 m, with several main stems; foliaceous stipules often present; leaf blade base rounded to subcordate, larger blades 2-3.5 cm wide
3. Shrub or tree to 20 m, mostly with one to few trunks or main stems; foliaceous stipules present or absent; leaf blade base usually cuneate, acute, to obtuse, larger blades 0.5-2.5 cm wide
4
4. Bud-scale margins connate; catkin 0.9-3.5 cm long, branchlet 0-6 mm long; stamens usually 2, sometimes 1; pistillate bracts persistent
4. Bud-scale margins distinct, overlapping; catkin 2.5-10 cm long, branchlet 4-35 mm long; stamens 3-7(-9); pistillate bracts deciduous after flowering
5
5. Shrubs to trees to 10 m; largest medial blades: abaxial surface glaucous; pistillate bracts deciduous or persistent after flowering; pistillate stipe 1.3-5.3 mm long
5. Trees to 20+ m; largest medial blades: abaxial surface not glaucous, occasionally thinly glaucous; pistillate bracts deciduous after flowering; pistillate stipe 0.5-1.5 mm long
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||