Plants › evening primrose family

hill sun cup

Tetrapteron graciliflorum

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 California.January 42, February 37, March 123, April 77, May 46, June 34, July 29, August 29, September 37, October 38, November 49, December 38.
United States511
California465
Nevada43
Oregon3

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

Classification

KingdomPlants · Plantae
PhylumVascular Plants · Tracheophyta
ClassDicots · Magnoliopsida
Ordermyrtles, evening primroses, and allies · Myrtales
Familyevening primrose family · Onagraceae
GenusTetrapteron

Sources

Remember the name next time.

Practise hill sun cup with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.