Common Evening Primrose Oenothera biennis Linnaeus    Synonyms: Onagra biennis.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Myrtales   >   Family Onagraceae   >   Genus Oenothera   

Status:

A common species of fields and roadsides. Along with details of leaves and flowers, very large size (up to 6' tall) appears to be diagnostic in our area. In general, evening-primroses open at night and are pollinated by moths. The exceptions in the genus, those open by day and pollinated by bees, are commonly referred to as sundrops.

There are 357 records in the project database.

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Common Evening Primrose at Fort Smallwood, Anne Arundel Co., Maryland (8/12/2012). Photo by Bill Hubick. (MBP list)

Common Evening Primrose in Garrett Co., Maryland (8/24/2016). Photo by Kimberly Booth. (MBP list)

A Common Evening Primrose at Fort Smallwood, Maryland (10/21/2012). Photo by Bill Hubick. (MBP list)

Common Evening Primrose in St. Mary's Co., Maryland (10/15/2016). Photo by Tyler Bell. (MBP list)

A Common Evening Primrose in Queen Anne's Co., Maryland (8/11/2012). Photo by Jim Brighton. (MBP list)

Common Evening Primrose in Anne Arundel Co., Maryland (8/27/2012). Photo by Bill Harms. (MBP list)

Common Evening Primrose in Baltimore Co., Maryland (8/24/2016). Photo by Kirsten Johnson. (MBP list)

Common Evening Primrose blooming in Allegany Co., Maryland (10/3/2013). Photo by Kimberly Booth. (MBP list)

Common Evening Primrose in Queen Anne's Co., Maryland (8/4/2016). Photo by Wayne Longbottom. (MBP list)

Common Evening Primrose in Caroline Co., Maryland (8/1/2017). Photo by Wayne Longbottom. (MBP list)

Common Evening Primrose blooming in Washington Co., Maryland (7/12/2016). Photo by Jim Wilkinson. (MBP list)

Common Evening Primrose in Baltimore Co., Maryland (9/1/2017). Photo by Bill Harms. (MBP list)

Common Evening Primrose at Fort Smallwood Park, Maryland (1/5/2013). Well past and mid-winter. Photo by Bill Hubick. (MBP list)

Dried seed heads of Common Evening Primrose in Kent Co., Maryland (4/1/2016). Photo by Nancy Martin. (MBP list)

Common Evening Primrose growing in Dorchester Co., Maryland (4/2/2016). Photo by Nancy Martin. (MBP list)

Common Evening Primrose in Baltimore City Co., Maryland (9/6/2017). Photo by Bill Harms. (MBP list)

Common Evening Primrose in Talbot Co., Maryland (9/21/2017). Photo by Wayne Longbottom. (MBP list)


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