Taxonomy
Clade | angiosperm |
Family | Betulaceae |
Genus | Alnus |
Species | incana |
Common Name | speckled alder |
iTree Code | ALIN2 |
Plant Form
Form | Tree: pyramidal to conical crown |
Height | 60 feet |
Spread | 30 feet |
Deciduous | Yes |
Identification Description
Foliage | green, oval coming to sharp point with serrate to doubly serrate edges |
Leaf Type
|
Simple |
Bark | brown/gray with lenticels |
Bud | red/brown elliptic or conical with non-overlapping scales (valvate) |
Bud Arrangement
|
Alternate |
Twig | slender, brown/gray with lenticels |
Flower | male- catkins slender red/brown then green; female- catkins purple/red smaller |
Fruit | cone with small flat, winged, circular samaras |
Fall Color | yellow, brown |
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 |
|
U.S. Native |
|
Region of Origin | United States, Canada |
More Information | Visit External Site |