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, turning light brown in fall.
- Sun to part shade. It is considered easy to grow under a wide range of conditions, exposed or sheltered, wet or dry soils, and tolerant of poor soils, drought, and strong winds
- 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. The Douglas Maple was discovered by David Douglas in 1827 in the Blue Mountains, a mountain range located largely in northeastern Oregon and stretching into extreme southeastern Washington.
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