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Douglas maple

Scientific Name: Acer glabrum var. douglasii

Family: Aceraceae

Category: Dicot

Growth: Tree, Shrub

Duration: Perennial

Other Names:

       

Douglas Maple (Acer glabrum)

The Douglas Maple, scientifically known as Acer glabrum, is a charming native maple species found in western North America. It is appreciated for its brilliant fall color and adaptability.

Considerations for Pets

  • As a tree or shrub, the Douglas Maple may produce small twigs and buds that could be tempting for animals to chew on.

Scientific Classification

  • Scientific Name: Acer glabrum
  • Common Names: Douglas Maple, Rocky Mountain Maple, Dwarf Maple
  • Family: Aceraceae (currently considered a synonym but previously recognized), Sapindaceae (Horse-chestnut family)
  • Synonyms:
    • Acer glabrum Torr. var . douglasii (Hook.) Dippel
    • Acer glabrum Torr. ssp. douglasii Hook
    • Acer douglasii Hook
    • Acer glabrum Torr. var. douglasii (Hook) Dippel

Distribution and Habitat

  • Native to western North America, ranging from southeastern Alaska to southwestern Alberta, and south into New Mexico and California.
  • Commonly found on both sides of the Cascades.
  • Thrives in moist soils along canyon and mountain slopes, particularly in coniferous forests.
  • Prefers partially shaded areas but can also tolerate drier, full sun conditions.

Morphological Characteristics

  • Deciduous tree or large shrub, typically growing to 9 meters (approximately 30 feet). Can also remain shrubby.
  • Grows at a slow rate.
  • The trunk may divide into a few slender limbs, which are further divided into many small branches.
  • Twigs and buds are red in the winter, adding to its visual appeal.

Phenology

  • It flowers in April, and the seeds ripen in September.
  • Blooms typically occur from April to June.

Ecology

  • The Douglas Maple is a nice substitution for vine maple in drier, full sun conditions.

Interactions with Other Organisms

  • A novel endophyte, Collophora aceris, has been isolated from stem tissues of Douglas Maple in the Pacific Northwest, demonstrating an internal symbiotic relationship. This endophyte has antimycotic properties.

Further Information

  • MountainNature.com: Provides information on identifying plants of western North America.
  • Dave's Garden: A community website for sharing gardening tips and ideas.