Acer glabrum var. douglasii
Common name:
Douglas Maple
Dwarf Maple
Rocky Mountain Maple
Pronunciation:
A-ser GLAH-brum dug-LAS-ei
Family:
Sapindaceae, Aceraceae
Genus:
Type:
Broadleaf
Native to (or naturalized in) Oregon:
Yes
- Broadleaf deciduous small tree, to 30 ft (10 m) tall, or often a multi-stemmed shrub 4-6 ft (1.2-1.8 m) tall, upright, twigs reddish or grayish in shade. Leaves opposite, simple, ovate, 6-12(20) cm across, 3-5 lobes (occasionally divided into 3 leaflets), base slightly heart-shaped, margin deeply, sharply, and irregularly or double toothed, shiny dark green above, blue-green below; petiole long (4-10 cm), slender, often reddish tinged. Fall foliage ranges from yellow to orange to crimson. Flowers 5 mm across, yellowish green, with 5 petals, in terminal clusters. Male and flower flowers usually appearing on separate trees. Appear with the leaves. Fruit wings 2-2.5 cm long, nearly parallel; green then pink or reddish, turing light brown in fall.
- Sun to part shade.
- Hardy to USDA Zone 4 Native range from southeastern Alaska, British Columbia, Alberta, Montana, Idaho, Washington and Oregon.
- douglasii: named after David Douglas (1798-1834), Scottish botanist and plant explorer.
Click image to enlarge
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plant habit
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new growth
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leaves
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leaf
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leaf, underside
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leaf, comparison
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sometimes a leaf is compound (3 leaflets)
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flower
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young fruit cluster
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fruiting branch, shady site
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leaves and fruit, exposed site
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shoot tip and stem, exposed site
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plant habit, fall
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leaf,fall
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stem, spring bud and trunk
