Adenophyllum cooperi (Cooper's dyssodia, Cooper's glandweed), 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.
Adenophyllum cooperi grows to 35âÂÂ60 cm tall. The leaves are 6âÂÂ20 cm long, obovate, with a lobed or coarsely toothed margin. The flowers are yellow to orange-red.