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''Romneya coulteri'', the Coulter's Matilija poppy or Californian tree poppy, is a species of flowering plant in the poppy family. Native to southern California and Baja California, it grows in dry canyons in chaparral and coastal sage scrub plant communities, sometimes in areas recently burned.〔(California Native Plant Society Rare Plant Profile )〕 It is a popular ornamental plant, kept for its large, showy flowers. The specific epithet commemorates Thomas Coulter, an Irish botanist and explorer. This is a shrub which may exceed in height, its woody stem growing from a network of rhizomes. The gray-green, waxy-textured leaves are each divided into a few lance-shaped lobes, the blades growing up to 20 centimeters (7.8 in) long. The inflorescence is a large, solitary flower with six crinkly white petals each up to long. At the center of the flower is a cluster of many yellow stamens. The fruit is a bristly capsule, long, containing many tiny seeds. While beautiful, this plant often grows aggressively once planted. It spreads by underground rhizomes and can pop up several feet away from the original plant. Naturally, such a plant cannot be placed anywhere in a garden. This plant bears the largest flowers of any species native to California, rivaled only by ''Hibiscus lasiocarpos''.〔(Flora of North America )〕 It was nominated for the honor of California state flower in 1890, but the California poppy won the title in a landslide.〔Clark, C. (Genus ''Eschscholzia'': History )〕 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Romneya coulteri」の詳細全文を読む スポンサード リンク
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