California poppy also called "copa de oro" (cup of gold). Photo by Luke Ravitch / Flickr (noncommercial use permitted with attribution/share alike).
Official State Flower of California
The California poppy (Eschscholzia Californica) was designated the state flower of California in 1903. All State Flowers
Also known as the flame flower, la amapola, and copa de oro (cup of gold), the California poppy grows wild throughout the state. Native Americans in California valued the poppy as a food source and for the oil extracted from the plant.
Every year, April 6 is California Poppy Day and May 13th - 18th is Poppy Week. Gold is a theme in California symbols; the state colors are blue and gold, the state nickname is "The Golden State," and gold is the official state mineral.