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Coulter’s Matilija Poppy

Romneya coulteri (species)

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Romneya coulteri, the Coulter's Matilija poppy or California tree poppy, is a perennial species of flowering plant in the poppy family Papaveraceae. Native to southern California, USA, and Baja California, Mexico, it grows in dry canyons in chaparral and coastal sage scrub plant communities, sometimes in areas recently burned. It is a popular ornamental plant, kept for its large, showy flowers. The specific epithet coulteri commemorates Thomas Coulter, an Irish botanist and explorer.This herbaceous perennial may exceed 2 m (7 ft) in height, its 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…

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Range Maps show field notes recorded by Natural Atlas contributors and other datasets via GBIF.org

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Coulter’s Matilija Poppy