River Beauty
Chamaenerion latifolium (Epilobium latifolium)

Family: Evening Primrose (Onagreaceae)
AKA: Dwarf Fireweed, Alpine Fireweed
Photo taken on: August 14, 2005
Location: West Maroon Trail, GV, CO
Life Zones: Subalpine, alpine
Habitat: Moist gravel, stream sides

Flowers resemble Fireweed but the plant is much shorter, has rounder leaves and has fewer flowers in a rounded cluster. Leaves are bluish-green.

Flora of North America reference.