Definition of Romneya in US English:



  • A genus of shrubby poppies (family Papaveraceae) native to California and Mexico and comprising the two species Romneya coulteri and R. trichocalyx (sometimes considered as one species); (also romneya) a plant of this genus, grown for its showy white flowers (also called Matilija poppy).


Mid 19th century; earliest use found in William Henry Harvey (1811–1866), botanist. From scientific Latin Romneya, genus name from the name of Thomas RomneyRobinson, Irish astronomer + scientific Latin -a.