• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wildflowers - Prairie Goldenpea

Prairie Goldenpea - Thermopsis rhombifolia
Prairie Goldenpea, Prairie Thermopsis, Prairie Buckbean, Golden Bean, Yellow Bean, Yellow Pea, False Lupine - Thermopsis rhombifolia
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NPS Photo by John Tyers
 
Prairie Goldenpea flowers mostly in April and May but at higher elevations it flowers progressively later.

Did You Know?

Natural Entrance of Wind Cave

Winds caused by changes in barometric pressure are what give Wind Cave its name. These winds have been measured at the cave's walk-in entrance at over 70 mph. The winds at the natural entrance of the cave attracted the attention of Native Americans and early settlers.