Oenothera clavaeformis Torr. & Fremont ssp. citrina ined.

Idaho: Owyhee County: 1.4 miles north-east of Oregon Line along U.S. Highway 95, Jump Creek Canyon.
43.565988° N, 116.921339° W,
Datum: WGS 84. Uncertainty: 1000 meters. Coordinate Source: GeoLocate.
Roadbanks of decomposed conglomerate, in clayey soil, with Artemisia, Stipa, Oryzopsis, and Cirsium. Petals bright yellow, reflexed; style exceeds anthers, which are bent to side. Phenology: Flowers.

Peter H. Raven 13385A, Jun 23, 1958
With Otto T. Solbrig
WTU, Accession: 196655