California poppy

noun
  1. a plant, Eschscholtzia californica, of the poppy family, having feathery bluish foliage and showy, orange-yellow flowers: the state flower of California.

Origin of California poppy

An Americanism dating back to 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for california poppy

California poppy

noun
  1. a papaveraceous plant, Eschscholtzia californica, of the Pacific coast of North America, having yellow or orange flowers and finely divided bluish-green leavesAlso called: eschscholzia, eschscholtzia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012