Missouri Evening Primrose
Missouri evening primrose is a native perennial wildflower in the Onagraceae plant family. It is usually found in sandy or rocky prairie soils.
It has a big yellow flower with for petals that open in the evening and closes the next day. The flower sometimes turns a reddish color after it closes.
Missouri evening primrose attracts butterflies, bees, hummingbirds and moths. However it is only pollinated by moths, which pollinate at night.