Oenothera villosa

Oenothera villosa, the hairy evening primrose, is a species of flowering plant in the family Onagraceae. It is native to nearly all of the United States (except Hawaii, Alaska, Louisiana, Florida, and South Carolina), and to all Canadian provinces and the Northwest Territories. It has been introduced to cool and cold-temperate regions worldwide. An erect biennial reaching 3–6 feet (0.91–1.83 m), it is typically found in open areas and disturbed situations.