Rhus aromatica or Rhus trilobata
(Threeleaf Sumac)
Family: Anacardiaceae (Sumac)
  
Rhus aromatica is a common shrub in the foothills. Leaves are divided into three leaflets. Clusters of yellowish flowers appear in early spring, giving rise to red fruits. Threeleaf Sumac is in the same family as Poison Ivy, but does not cause skin rash.

Vegetation zone:  Plains, Foothills  (3500 - 9000 ft.)
Time of bloom:  April - June
Origin:  Native
Eastern Colorado Wildflowers