Oenothera primiveris subsp. primiveris  
Family: Onagraceae
desert evening-primrose
[Oenothera primiveris subsp. caulescens (Munz) Munz,  more]
Oenothera primiveris subsp. primiveris image
Russ Kleinman  
Oenothera primiveris is a lower elevation caespitose annual. The leaves are vilous and oblanceolate. The petals are yellow. Oenothera primiveris is found in dry hills and at lower elevation. It blooms very early in the season.
Oenothera primiveris subsp. primiveris image
Russ Kleinman, Mel Moe, Leith Young, Charles Holmes & Richard Felger  
Oenothera primiveris subsp. primiveris image
Russ Kleinman & Richard Felger  
Oenothera primiveris subsp. primiveris image
Oenothera primiveris subsp. primiveris image
Oenothera primiveris subsp. primiveris image
Melanie Tluczek  
Oenothera primiveris subsp. primiveris image
Oenothera primiveris subsp. primiveris image
Oenothera primiveris subsp. primiveris image
Oenothera primiveris subsp. primiveris image
Melanie Tluczek  
Oenothera primiveris subsp. primiveris image
Oenothera primiveris subsp. primiveris image
Oenothera primiveris subsp. primiveris image
Oenothera primiveris subsp. primiveris image
Oenothera primiveris subsp. primiveris image