Eastern Mojave Vegetation Coll. No. 3396, Oenothera howardii.  
 

 

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If you have a question or a comment about this photograph you may write to me at: tomas@schweich.com I sometimes post interesting questions in my FAQ, but I never disclose your full name or address. 		  Onagraceae, Oenothera howardii
Photographed 11 December 2025.

Native and Naturalized Flora of the Golden Area, Jefferson County, Colorado
Onagraceae

Oenothera howardii (A. Nels.) W. L. Wagner.  Howard's Evening Primrose.

Parfet Open Space (City of Golden), Jefferson County, Colorado. West central part of the open space, above the Welch Ditch, above the social trail and getting close to the houses, 1.06 km. southwest of the GNIS location of Golden. 39.74894°N, 105.23011°W. WGS 1984 Elev. 1789 m. Flowers bright yellow, fading bronze. Mixed-grass prairie, with Ericameria nauseosa var. nauseosa, Gutierrezia sarothrae, Kraschinnikovia lanata, Allium textile, Andropogon gerardii, and Bouteloua curtipendula. This parcel was designated a City of Golden Open Space in 2025.

Collected by permit: City of Golden, 2025, issued: Mar 14, 2025, to: Tom Schweich.

Tom Schweich 3396. 1-Jun-2025

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Other photos about Species - Onagraceae or Oenothera howardii.

 

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Date and time this page was prepared: 4/4/2026 8:05:23 PM