• 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 in the park.

A Rocky Mountain bull elk weighs between 700 - 800 pounds. Rocky Mountain elk were introduced to the park in 1914 and 1916. More...