[Evening-primroses, Sun Cups and Yellow Cups: The Genera Chylismia and Eremothera in the American Southwest]

Peirson's Clavate-fruited Primrose

Chylismia claviformis ssp. peirsonii

Synonyms: Camissonia claviformis, Camissonia claviformis ssp. peirsonii, Oenothera claviformis, Oenothera claviformis ssp. peirsonii

Peirson's clavate-fruited primrose observed blooming on sandy soils at the Indian Head Ranch north of Borrego Springs, CA.........March 27, 2010.

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What appears to be Peirson's clavate-fruited primrose observed adjacent to Fish Creek, upstream of Split Mountain Gorge, Anza-Borrego Desert State Park, CA......March 25, 2010.

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Peirson's clavate-fruited primrose as seen on sandy soils at the Indian Head Ranch north of Borrego Springs, CA.........March 29, 2010.

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Peirson's clavate-fruited primrose as seen on sandy soils at the Indian Head Ranch north of Borrego Springs, CA.........March 29, 2010.

Paul Slichter