- Big Bursage (Ambrosia ambrosioides)
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. - Triangle Leaf Bursage (Ambrosia deltoidea)
Common name: Triangle Leaf Bursage, Burrobush, Rabbitbush Scientific name: Ambrosia deltoidea Description: Triangle leaf bursage is a small round shrub with slender, brittle branches, triangular serrated leaves, small greenish-yellow flowers,and bur-like seeds.