A field of California poppies.
California poppy definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a plant (Eschscholtzia californica) of the poppy family, with yellow to orange flowers
California poppy definition by American Heritage Dictionary
An herb (Eschscholzia californica) native to western North America and having finely divided leaves and showy, often orange or yellow flowers.