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 |