Common names: Bursage, Canyon Ragweed

Scientific name: Ambrosia ambrosioides

Description: A perennial shrub with large gray-green leaves triangular leaves; develops spiny burs (the fruit).

Dye: None.

Other uses: The Tohono O’odham (Papago) used canyon ragweed in sweat baths to relieve arthritic pain. No known uses among the Pima, however, the plants are largely associated with arroyos - a'akĭ.