Brickellia coulteri

Brickellia coulteri (Coulter's brickellbush) is a North American species of flowering plants in the daisy family. It is native to Mexico (Baja California Sur, Baja California, Sonora, Oaxaca) and the southwestern United States (Arizona, southwestern New Mexico, western Texas).
"Brickellia coulteri" is a shrub up to 150 cm (60 inches) tall. It has many small flower heads with pale yellow-green disc flowers but no ray flowers.
The species is named in 1852 for Irish botanist Thomas Coulter (1793 – 1843).