Oenothera caespitosa Nutt. subsp. caespitosa
A small, montane Oenothera lacking the pinnatifid leaves of ssp. marginata, found from northwestern New Mexico north into Canada and northwest to Washington.
Plant habit at Junction Creek Campground, northwest of Durango, La Plata County, Colorado, 1 Jun 2010.
A flower at Junction Creek Campground, 1 Jun 2010.
A flower on the slopes on the north side of Alamosa Campground in Conejos County, southern Colorado, 12 Jun 2008.
Plant habit at Alamosa Campground, 12 Jun 2008.
Basal leaves in southern Colorado, 12 Jun 2008.
Plant habit with flower bud, southern Colorado on the slopes on the north side of Alamosa Campground, 12 Jun 2008.