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Rocky Mountain Maple Acer glabrum


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Family: Aceraceae, Maple view all from this family

Description An upright, deciduous shrub or small tree. Usually grows with multiple
stems, suckering from the base. Crown narrow. Bark thin, smooth, and gray-brown, or reddish brown. Branches opposite, sparse with reddish twigs. Roots are woody, extensive, and often deep. Leaves vary considerably, depending on variety, 2–10 cm. broad, three-lobed (rarely five-lobed), variable in the depth of lobing, occasionally so deeply lobed as to be divided into three leaflets; lobes have an acute apex, coarsely serrated margins. Flowers produced in corymbs of five to ten, yellowish-green, at the same time as the new leaves in spring. Fruit a winged seed.

Dimensions Height: 9 m. (30 ft.)
Diameter: 0.3 m. (1 ft.).

Habitat Mountains, Canyons & valleys.

Range Western Canada, Alaska, California, Plains, Northwest, Rocky Mountains, Southwest.

Discussion Seeds and vegetative parts consumed by ruffed and blue grouse, grosbeaks, and small mammals. Used by Native Americans for arrow shafts, snowshoe frames, ceremonial equipment, hut frames, and drying and smoking racks. The inner bark furnished material for mats and ropes. Today, mainly used for firewood.