Matilija poppy
/məˈtɪlihə ˈpɒpi/Botany
noun
The poppy Romneya coulteri, a subshrub native to California and Mexico, also cultivated in milder climates for its large white flowers.
Origin
Late 19th century; earliest use found in Overland Monthly. From the name of MatilijaCanyon, an area in the mountains above Ventura, California, where this plant grew abundantly + poppy.