GLEBE TREES AND SHRUBS
Mountain ash (Sorbus)
Form
Photos taken at 218 Fourth Ave. on May 22, 2008.
Usually mountain ash is a tall shrub or small tree in this area.
Leaves
Mountain ash have compound alternate toothed leaves.
Similar species
Honey locust and staghorn sumac have similar compound toothed leaves in an alternate pattern.
Sumac's leaflets are generally longer than mountain ash. False spirea has leaves similar to staghorn sumac.
Ash, red elderberry and elder: these have toothed compound leaves but in an opposite pattern.
List of trees and shrubs with alternate, compound, toothed leaves