Wildflowers of Southern Arizona
Canyon Ragweed.
Ambrosia ambrosioides
Aster (Asteraceae) family.
The flower heads are clustered on terminal and lateral flower spikes. The flowers are wind-pollinated and are followed by spiny burs. The leaves are simple, dark green in color, mostly alternate, petiolate, hairy, coarsely toothed, lanceolate to narrowly triangular in shape, and up to 7 inches (18 cm) long. The stems are reddish brown in color and covered in bristly hair. The plants are usually rangy in appearance.
Santa Catalina Mountains
Sabino Canyon Recreation Area.
Location: Canyon Overlook Picnic Area.
3/2/16
Notes: Sabino Canyon Riparian Area above Dam 2/21/17
See SEINet Pictures and Description
See FireFly Forest Pictures and Description