| Scientific Name: | Acer glabrum var. douglasii |
| Common Name: | Douglas maple, Rocky Mountain maple |
| Family Name: | Sapindaceae |
| Origin: | B.C. east of Cascades, B.C. west of Cascades, U.S. - northwest, U.S. - southwest |
| Hardiness Zone: | Zone 5: (-29 to -23 °C) |
| Plant Type: | Tree - deciduous |
| Mature Size: | 7 - 10m x 5 - 7m (height x width) |
| Habit: | Upright |
| Form: | Oval - vertical |
| Texture: | Coarse |
| Landscape Uses: | Fall interest, Native planting, Shade tree, Small garden/space, Waterside planting, Wildlife food, Woodland margin |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Acidic, Well-drained |
| Leaves: | Simple, Lobed, Opposite, Soft flexible, Heavily veined, Palmate venation, Glabrous, Obovate, Double serrate, Pinnately lobed |
| Flowers: | Corymb, Green-yellow, Apr |
| Fruit: | Samara, Schizocarp, Brown, Aug |
| Key ID Features: | |
| Often a shrubby tree with glabrous reddish young twigs; leaves opposite, 3-5 acuminate-tipped lobes, obovate, most blades 4-14cm long x 2-12cm wide, coarsely double-toothed, dull-green with pale glabrous undersides; schizocarp ~2cm wide, thick edge of wings at 20-30 degrees, each samara 2-3cm long. Winter ID: shrub usually partially shaded to 10m tall; twigs red, glabrous; buds ovoid, opposite, ~5mm long. | |