Rocky Mountain Maple
A modest canyon maple supplies vivid autumn color and dense wildlife cover in moist pockets of the otherwise pine-dominated Black Hills.
Artwork inspired by Grace French
For Rocky Mountain Maple (Acer glabrum), record the whole form before isolating details. For Rocky Mountain Maple, use “Opposite three-lobed leaves” for the first hypothesis and “Paired samaras” for confirmation.
Place the sighting of Rocky Mountain Maple in context by recording “cool canyon bottoms, rocky slopes, and moist forest openings” and “Best May–October”. For Rocky Mountain Maple, the detail “Multi-stemmed growth” makes the observation easier to check.
- Best clue
- Small multi-stemmed maple with three-lobed leaves and paired winged seeds
- Habitat
- cool canyon bottoms, rocky slopes, and moist forest openings
- Regional status
- Native regional species
Quick guide
- Read the form
- Opposite three-lobed leaves
- Cross-check
- Paired samaras; context: cool canyon bottoms, rocky slopes, and moist forest openings
A close field reading of Rocky Mountain Maple
- Begin with structure
- Begin with Opposite three-lobed leaves.
- Challenge the first impression
- After the overall form, confirm Paired samaras.
- Check when and where
- Search cool canyon bottoms, rocky slopes, and moist forest openings, using habitat as supporting evidence rather than proof by itself.
- Keep behavior natural
- Leave Rocky Mountain Maple and its habitat exactly as found.
Good to know
For Rocky Mountain Maple, repeated quiet observation from one position generally reveals more diagnostic information than following, handling, or repositioning the subject.
Notice these
- Opposite three-lobed leaves
- Paired samaras
- Multi-stemmed growth
- Cool canyon habitat