[Wildflowers East of the Cascade Mts.: The Rose Family]
Mountain Ash East of the Cascade Mts.

The Genus Sorbus

Cascade Mt. Ash: Sorbus scopulina

1. European Mountain Ash: Sorbus aucuparia -

2. Cascade Mt. Ash, Greene's Mountain Ash: Sorbus scopulina - Small tree to 12 feet. Flowers small, white, in round clusters like an overturned plate (cyme). Leaves compound pinnate, very shiny, with small serrations.

3. Dwarf Mt. Ash, Western Mt. Ash, Sitka Mt. Ash: Sorbus sitchensis - Small tree to 12 feet. Flowers small, white, in round clusters like an overturned plate (cyme). Leaves compound pinnate, a dull blue-green, with small serrations.


Paul Slichter