Oenothera gaura (Biennial Evening Primrose) is a species of biennial herb in the family Onagraceae. They have a self-supporting growth form. They are native to The Contiguous United States and Canada. They have simple leaves. Flowers are visited by Colletes productus, Cerceris clypeata, One Spotted Stink Bug, and Psilota buccata.
EOL has data for 18 attributes, including: