Taxonomy
| Clade | angiosperm |
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| Family | Betulaceae |
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| Genus | Alnus |
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| Species | incana |
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| Common Name | speckled alder |
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| iTree Code | ALIN2 |
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Plant Form
| Form | Tree: pyramidal to conical crown |
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| Height | 60 feet |
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| Spread | 30 feet |
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| Deciduous | Yes |
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Identification Description
| Foliage | green, oval coming to sharp point with serrate to doubly serrate edges |
Leaf Type
 |
Simple |
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| Bark | brown/gray with lenticels |
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| Bud | red/brown elliptic or conical with non-overlapping scales (valvate) |
Bud Arrangement
|
Alternate |
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| Twig | slender, brown/gray with lenticels |
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| Flower | male- catkins slender red/brown then green; female- catkins purple/red smaller |
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| Fruit | cone with small flat, winged, circular samaras |
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| Fall Color | yellow, brown |
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Site Characteristics
| USDA Zones
|
pH Levels | Salt Tolerance |
| Min | 2a |
Min | 4.8 |
Soil | Intolerant |
| Max | 6a |
Max | 7.6 |
Spray | Intolerant |
| Shade Tolerance | Drought Tolerance | Allelopathy |
| Intermediate |
Intolerant |
No |
Species Status
| Nebraska Native |
|
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| U.S. Native |
|
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| Region of Origin | United States, Canada |
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| More Information | Visit External Site |
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