Taxonomy
| Clade | angiosperm |
| Family | Sapindaceae |
| Genus | Acer |
| Species | rubrum |
| Common Name | red maple |
| iTree Code | ACRU |
Plant Form
| Form | Tree: rounded or oval crown |
| Height | 65 feet |
| Spread | 30 feet |
| Deciduous | Yes |
Identification Description
| Foliage | 3 lobes per leaf (5 possible), each lobe concluding in a point, edges are serrated (irregular), sinuses are relatively shallow and broad |
Leaf Type
 |
Simple |
| Bark | smooth, light gray when young; darker gray, rough and furrowed appearance with thin ridges at maturity |
| Bud | red, small (<1/4 inch), rounded, blunt; flower buds: clustered with hairs at tips of scales; overlapping scales (imbricate) |
Bud Arrangement
 |
Opposite |
| Twig | smooth red/brown in current year; then smooth, grey |
| Flower | emerge in spring; yellow/green to red/pink with petals; male and female on same tree (monoecious) |
| Fruit | paired 'helicopters' (samaras); ripening in spring (similar to silver maple) |
| Fall Color | red |
Site Characteristics
USDA Zones
 |
pH Levels | Salt Tolerance |
| Min | 2a |
Min | 4.6 |
Soil | Intolerant |
| Max | 9b |
Max | 7.3 |
Spray | Intolerant |
| Shade Tolerance | Drought Tolerance | Allelopathy |
| Intermediate |
Moderate |
No |
Species Status
| Nebraska Native |
|
| U.S. Native |
|
| Region of Origin | Canada, United States |
| Previous Family | Aceraceae |
| More Information | Visit External Site |