Wildflowers of Tucson, Arizona
Yellow Wildflower
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Hibiscus coulteri - Desert Rosemallow (Coulter's Hibiscus) Hibiscus coulteri - Desert Rosemallow (Coulter's Hibiscus)
Scientific Name: Hibiscus coulteri
Common Name: Desert Rosemallow, Coulter's Hibiscus
Flower Color: Pale yellow
Plant Type: Subshrub, Shrub, Perennial, Deciduous
Height: To 4 feet (1.2 m) tall
Date Observed: March 20, 2004
Notes: The 2 inch (5 cm) wide flowers have 5 petals that are often streaked with red at the base. The 3-lobed upper leaves have margins with only a few smaller lobes or large, rounded teeth. The similar H. biseptus has leaves with heavily toothed margins.
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