Plants › evening primrose family

Threadleaf Evening Primrose

Oenothera linifolia

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 Texas.January 26, February 25, March 28, April 53, May 32, June 16, July 14, August 15, September 17, October 18, November 24, December 23.
United States1,162
Texas291
Arkansas219
Missouri212
Oklahoma84
Illinois75
Kansas59
Louisiana44
Mississippi31
Kentucky29

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

Traits

Group and habits

Classification

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

Sources

Remember the name next time.

Practise Threadleaf Evening Primrose with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.