• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wildflowers - Yellow Evening Primrose

Yellow Evening Primrose, Yellow Sundrops, Half-Shrub Sundrops, Plains Yellow Primrose, Tooth-Leaved Evening Primrose, Calylophus serrulatus, Oenothera serrulata
Yellow Evening Primrose, Yellow Sundrops, Half-Shrub Sundrops, Plains Yellow Primrose, Tooth-Leaved Evening Primrose - Calylophus serrulatus, Oenothera serrulata
NPS Photo by Jim Pisarowicz
 
Evening Primroses have flowers that open in the evening and generally remain open the next day before withering.

Did You Know?

Bull Elk

Elk were the most widely distributed member of the deer family in North America and spread from the Atlantic to the Pacific, from Mexico to northern Alberta. Elk began to disappear in the eastern United States in the early 1800s. More...