Aphyllon fasciculatum
(Clustered Broomrape)
Family: Orobanchaceae (Broomrape)
    
Aphyllon fasciculatum grows as a parasite on sage, such as the fringed sage in the photos.

Vegetation zone:  Plains, Foothills, Montane
Time of bloom:  May - July
Origin:  Native
Eastern Colorado Wildflowers