annual pricklepoppy
Argemone polyanthemos (Fedde) Ownbey

Argemone polyanthemos (Fedde) Ownbey, known as annual pricklepoppy, is a member of the Papaveraceae family. It is an annual plant characterized by yellow sap and white flowers. It is native to several states in the United States, including Colorado, Illinois, Kansas, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas, Utah, and Wyoming.
Description
Argemone polyanthemos is an annual plant in the poppy family, Papaveraceae. It is commonly known as annual pricklepoppy and is distinguished by its yellow sap and showy white flowers. The species is native to a range of states in the central and western United States. It was first published in 1958 and is also referred to by alternative names such as crested pricklypoppy, bluestem prickly poppy, pricklypoppy, white prickly poppy, and thistle poppy.
Other common names
plains prickly-poppyannual pricklepoppybluestem pricklepoppybluestem prickly poppycrested pricklypoppyprickly poppypricklypoppythistle poppywhite prickly poppyWhite Prickly-PoppyWhite pricklypoppy
Distribution
Colorado · Illinois · Kansas · Montana · Nebraska · New Mexico · North Dakota · Oklahoma · South Dakota · Texas · Utah · Wyoming
Synonyms
Argemone intermedia var. polyanthemosArgemone polyanthemos f. rosea