Oenothera pilosella (Prairie Sundrops) is a species of perennial herb in the family Onagraceae. They have a self-supporting growth form. They are native to Canada and The Contiguous United States. They have simple, broad leaves and purple flowers. Flowers are visited by Lasioglossum oenotherae. Individuals can grow to 0.61 m.
EOL has data for 71 attributes, including: