Brickellia floribunda
Brickellia floribunda, the Chihuahuan brickellbush, is a North American species of flowering plants in the family Asteraceae. It is native to northern Mexico and the south-western United States.
Brickellia floribunda is a branching shrub up to 200 cm tall. The plant produces many small flower heads with white or pale yellow-green disc florets but no ray florets.