Plants › evening primrose family

common evening-primrose

Oenothera biennis

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Alaska.January 1,285, February 949, March 1,487, April 2,339, May 3,372, June 3,677, July 3,935, August 3,384, September 2,484, October 1,854, November 1,013, December 792.
United States46,366
Alaska26,570
Canada11,528
Ontario5,455
New York4,850
Massachusetts3,967
Illinois3,150
Pennsylvania3,050
Ohio2,507
New Jersey2,297

Counts show where people looked, not only where it lives.

Traits

Group and habits

Edibility, toxicity and medicinal traits are records from datasets, not advice. Never eat, handle or use a wild species on the strength of an app.

Classification

KingdomPlants · Plantae
PhylumVascular Plants · Tracheophyta
ClassDicots · Magnoliopsida
Ordermyrtles, evening primroses, and allies · Myrtales
Familyevening primrose family · Onagraceae
Genusevening primroses, sundrops, and beeblossoms · Oenothera

Study it in a deck

Or build your own from the species near you.

Sources

Remember the name next time.

Practise common evening-primrose with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.