Taxonomy
Clade | angiosperm |
Family | Rosaceae |
Genus | Sorbus |
Species | americana |
Common Name | American mountain-ash |
iTree Code | SOAM3 |
Plant Form
Form | Small tree |
Height | 0 feet |
Spread | 0 feet |
Deciduous | Yes |
Identification Description
Foliage | Deciduous dark green leafs that are 6-10" long, 11-17 leaflets that are lancelet and serrated. The leaflets are 2- 2 1/2" long. |
Leaf Type
|
Compound - Pinnate |
Bark | gray brown with lenticels when younger, as it ages, splits with scaly patches. |
Bud | Dark purple and sticky, 3/8-1/2" long |
Bud Arrangement
|
Alternate |
Twig | Bright gray to reddish brown |
Flower | Clusters of small white flowers. Bloom in the late spring/early summer. |
Fruit | Red Pomes that are in clusters. Each fruit is 1/4-3/8". Ripen in fall and persist through winter. |
Fall Color | |
Site Characteristics
USDA Zones
|
pH Levels | Salt Tolerance |
Min | 2a |
Min | 4.6 |
Soil | Moderate |
Max | 4a |
Max | 6.0 |
Spray | Moderate |
Shade Tolerance | Drought Tolerance | Allelopathy |
Tolerant |
Moderate |
Unknown |
Species Status
Nebraska Native |
|
U.S. Native |
|
Region of Origin | North America |