Wildflowers of Tucson, Arizona
Yellow Wildflower
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Heterotheca subaxillaris - Camphorweed Heterotheca subaxillaris - Camphorweed
Scientific Name: Heterotheca subaxillaris
Common Name: Camphorweed, Telegraph Plant
Flower Color: Yellow rays, yellow-orange disks
Plant Type: Herb, Annual
Height: To 5 feet (1.5 m) tall
Date Observed: August 20, 2002
Notes: The 1 inch (2.5 cm) wide flowers are found at the tips of the branched stems. The light green, rounded leaves line the lower, unbranched main stems and smell like camphor when crushed. This native weed is common along roadsides and in disturbed areas. It blooms from March to November.
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