They are wild and native to eastern and midwest North America. Poppies produce latex, and in Celandine Poppies, it’s a bright yellow sap that was used as a dye by Native Americans.
Wood Poppy, Celandine Poppy (Stylophorum diphyllum)
Watching for Wildflowers
stalking wildflowers in eastern massachusetts
Pretty. The flower resembles the California Poppy which is also brilliant in color, but more a psychedelic orange. And the leaves are lacier in the CA flower, probably because the flower needs very little water and grows in the poorest and sandiest soil. They certainly brighten the dry brown countryside in this part of the world.