The inflorescence has 4 to 9 phyllaries and contains ray and disk flowers which are white to pink. The generally 3 to 8 ray flowers are ovate to round. Disk flowers range from 15 to 40. The inflorescence is produced in a flat-topped capitulum cluster. The fruits are small achenes.
Characteristics: The plant has a strong, sweet scent, similar to chrysanthemums.
Cultural Significance: Chippewa used the leaves in a steam inhalant for headaches. They also chewed the roots and applied the saliva to their appendages as a stimulant. The Cherokee drank a tea of common yarrow to reduce fever and aid in restful sleep.
Santa Catalina Mountains
Location: Shoulder of highway beside Sunset Trail trailhead.