Brickellia parvula
Brickellia parvula, the Mt. Davis brickellbush, is a North American species of flowering plants in the family Asteraceae. It is native to northeastern and north-central Mexico and the southwestern United States.
Brickellia parvula is a shrub up to 30 cm tall, growing from a woody caudex. It produces many small flower heads with yellow or green disc florets but no ray florets.