Wildflowers of Tucson, Arizona
Orange Wildflower
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Mentzelia asperula - Organ Mountain Blazingstar Mentzelia asperula - Organ Mountain Blazingstar
Scientific Name: Mentzelia asperula
Common Name: Organ Mountain Blazingstar
Flower Color: Orange
Plant Type: Herb, Annual
Height: To about 1 foot (30 cm) tall
Date Observed: August 26, 2006
Notes: The flowers have 5 petals, 5 narrow, hairy sepals, and cylindrical ovaries that dry into cigar-shaped capsules. The leaves are hairy, narrowly triangular, alternate, and are pinnately lobed and toothed. It grows in upland areas between 4000 and 6000 feet (1219 and 1829 m).
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