Tufted Evening Primrose
Oenothera caespitosa ssp. marginata
Synonyms: Oenothera caespitosa var. marginata, Oenothera cespitosa ssp. marginata, Oenothera cespitosa var. marginata
Tufted evening primrose as seen on bare, gravelly slopes in Asotin County, WA..........May 2010.
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Additional close-up photos of tufted evening primrose as seen on bare, gravelly slopes in Asotin County, WA..........May 2010.
Paul Slichter