Oenothera caespitosa
(Tufted Evening Primrose)
Onagraceae (Evening Primrose)
Oenothera caespitosa is stemless, with the flower arising directly from the basal rosette of leaves. Flowers turn pink as they fade from blooming. Leaves are up to 6 inches long with wavy or toothed margins.

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