Clarkia rubicunda is a flowering plant endemic to California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

. It is found mostly in the central part of the state. The plant is known by the common names ruby chalice clarkia and farewell to spring. It is similar in appearance to another flower of genus Clarkia also called farewell to spring

Clarkia amoena

Clarkia amoena is a flowering plant native to western North America, found in coastal hills and mountains from British Columbia south to the San Francisco Bay Area....

. It bears attractive poppy-like

Poppy

A poppy is one of a group of a flowering plants in the poppy family, many of which are grown in gardens for their colorful flowers. Poppies are sometimes used for symbolic reasons, such as in remembrance of soldiers who have died during wartime....

 blooms with wide, cup-shaped corollas of four pink or purplish petals. The corolla of the flower sometimes has a bright red center. As the common name suggests, it blooms in June and July.

External links

• Jepson Manual Treatment
• Photos
• USDA Plants Profile

Further reading

• Bartholomew, B., L. C. Eaton, and P. H. Raven. (1973). Clarkia rubicunda: A Model of Plant Evolution in Semiarid Regions. Evolution
  Evolution (journal)
  Evolution, the International Journal of Organic Evolution, is a leading monthly scientific journal that publishes significant new results of empirical or theoretical investigations concerning facts, processes, mechanics, or concepts of evolutionary phenomena and events. Evolution is published by...
  
  , 27(3) 505-517.