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Wind Cave National ParkWildflowers
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Wind Cave National Park
Wildflowers - Yellow Evening Primrose
 
Yellow Evening Primrose, Yellow Sundrops, Half-Shrub Sundrops, Plains Yellow Primrose, Tooth-Leaved Evening Primrose, Calylophus serrulatus, Oenothera serrulata
NPS Photo by Jim Pisarowicz
Yellow Evening Primrose, Yellow Sundrops, Half-Shrub Sundrops, Plains Yellow Primrose, Tooth-Leaved Evening Primrose - Calylophus serrulatus, Oenothera serrulata
 
Evening Primroses have flowers that open in the evening and generally remain open the next day before withering.
Shell-leaf Penstemon
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Wild Bergamot
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Field Milkvetch  

Did You Know?
The Field Milkvetch has a colorful flower which is often overlooked because it tends to grow hidden in the grass. Color can vary to reddish-purple.
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Last Updated: June 15, 2007 at 15:42 EST