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Stylophorum diphyllum
Also called Wood Poppy, Mock Poppy, Yellow Poppy
Stylophorum diphyllum, commonly called the celandine poppy or wood poppy, is an herbaceous plant in the poppy family (Papaveraceae). It is native to North America, where it is found in the eastern United States and Ontario. Its typical natural habitat is moist forests over calcareous rock, particularly in ravines.
It is occasionally cultivated for its bright yellow flowers. The common name is derived from greater celandine (Chelidonium majus), a closely related European plant with similar flowers and leaves.
Propagation is done by seed or by dividing established clumps in spring. It grows best in moist, high-humus soil, and prefers to be in the shade. Division should be done early in the morning, preferably on a cloudy and mild day.
Plants are relatively long lived and readily self-seed under garden conditions.
Text excerpted from the Wikipedia article Stylophorum diphyllum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
