California poppyEschscholzia californica
Eschscholzia californica, a dicot, is an annual or perennial herb that is native to California and is also found outside of California, but is confined to western North America. It’s bloom period is February-September. This plant has known uses according to Wikipedia.
Description Habitat Taxonomy Pollen production Uses Cultivation Invasive potential Chilean population State flower of California
additional informational links: Wikipedia , Calflora
click image for maximum resolution