Cornus sericea or Swida sericea
(Redosier Dogwood)
Family: Cornaceae (Dogwood)
Cornus sericea has a shrubby growth form and can grow to over ten feet tall. The white flowers of Redosier Dogwood have four petals and bloom in clusters. Leaves are opposite. Stems are often reddish. Shrubs are found in moist, shaded ravines.

Vegetation zone:  Foothills, Montane (5100 - 9800 ft.)
Time of bloom:  May - August
Origin:  Native
Eastern Colorado Wildflowers