罌粟
"Papaver somniferum" has one accepted subspecies, "Papaver somniferum" subsp. "setigerum" (DC.) Arcang. It also has many varieties and cultivars. Colors of the flowers vary widely, as do other physical characteristics, such as number and shape of petals , number of flowers and fruits, number of seeds, color of seeds, and production of opium. "Papaver somniferum" var. "paeoniflorum" is a variety with flowers that are highly double, and are grown in many colors. "P. somniferum" var. "laciniatum" is a variety with flowers that are highly double and deeply lobed. The variety "Sujata" produces no latex and no commercial utility for opioid production.