Adenophyllum cooperiAdenophyllum cooperi, is a species of flowering plant in the family Asteraceae. It is native to the Mojave Desert in the southwestern United States, in the States of California, Arizona, Nevada, and Utah.DescriptionAdenophyllum cooperi grows to 35–60 cm tall. The leaves are 6–20 cm long, obovate, with a lobed or coarsely toothed margin. The flowers are yellow to orange-red.