Papaver is a genus of 70–100 species of frost-tolerant annuals, biennials, and perennials native to temperate and cold regions of Eurasia, Africa and North America. It is the type genus of the poppy family, Papaveraceae.
Illustration of Papaver argemone
Papaver spicatum
The fire poppy, Papaver californicum, is placed in a section, Papaver sect. Californicum, on its own.