Rocky Mountain maple
Aceraceae (Maple Family)
Rocky Mountain maple is a multi-stemmed, 10-30 ft. tree or shrub with a 10-15 ft. spread. Though inconspicuous, the early spring flowers of this maple are quite fragrant. Its shiny, green, deciduous leaves turn yellow to reddish-orange in fall. Smooth, gray bark; red twigs; and reddish, winged seeds provide winter interest. The northernmost maple in the New World, it extends through southeastern Alaska. The Latin species name, meaning hairless, refers to the leaves.
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Plant CharacteristicsDuration: Perennial Habit: Tree Leaf Retention: Deciduous Leaf Arrangement: Opposite Leaf Complexity: Simple Leaf Margin: Serrate
, Lobed Size Notes:
A small tree
with slender, spreading branches. Leaf:
Green above with lighter veins, slightly paler below. Flower:
Fruit: Size Class:
Bloom InformationBloom Color:
Yellow , Green Bloom Time:
Apr , May Bloom Notes:
in small clusters.
, WY Canada: AB Native Distribution:
Mts. of western U.S. Native Habitat:
Wooded hills; ravines along streams; above 4500 ft.
Growing ConditionsWater Use:
Low Light Requirement:
Sun CaCO3 Tolerance:
Medium Soil Description:
Moist, well-drained, rocky soils. Conditions Comments:
Though not as handsome as vine
maple, this species is more cold hardy. Rocky Mountain maple does not tolerate heat and its leaves may scorch if grown in open, hot, dry and windy sites.
BenefitUse Wildlife: Deer, elk, cattle, and sheep browse the foliage.
Interesting Foliage: yes
Last Update: 2007-01-01