Romneyan.
/ˈrɒmnɪə/, /rɒmˈniːə/, U.S. /ˈrɑmniə/, /rɑmˈniə/ 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).
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the world > plants > particular plants > trees and shrubs > shrubs > non-British shrubs > [noun] > American or West Indian
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1845 W. H. Harvey in London Jrnl. Bot. 4 74 In calling the present genus Romneya, I follow a sufficiently established precedent.
1900 W. Robinson Eng. Flower Garden (ed. 8) 771 Romneya (White Bush Poppy).—Among plants of recent introduction perhaps none surpass in stately beauty this fine Californian Poppywort.
1924 Gardens of S. Afr. 86 Neither Romneya nor Agapanthus has been given a drop of water for months, and yet they are flourishing.
1995 C. Brickell Garden Plants 122 Romneyas are usually offered under the names R. coulteri; or R. trichocalyx (R. coulteri var. trichocalyx), but most plants in cultivation are probably hybrids between these two taxa.
2000 Church Times 7 July 11/1 Cuttings of maroon romneya, begged from the forecourt shrubbery of our local garage, have so far flowered in pink, white and cream.
This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022).
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n.1845