One-flowered Broomrape
Aphyllon uniflorum (Orobanche uniflora)

Family: Broomrape (Orobanchaceae)
AKA: Naked Broomrape, One-flowered Cancer Root
Photo taken on: July 1, 2009
Location: Deer Creek, Gothic, CO
Life Zones: Plains to montane
Habitat: Damp woods

Grows to 8" and appears leafless. The flowers are fragrant and range from white to pale purple with a yellow center. A parasite on many plants.

Flora of North America reference.