Wildflowers of Tucson, Arizona
Pink Wildflower
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Echinocereus rigidissimus - Rainbow Hedgehog Cactus Echinocereus rigidissimus - Rainbow Hedgehog Cactus
Scientific Name: Echinocereus rigidissimus
Common Name: Rainbow Hedgehog Cactus
Flower Color: Pink to magenta
Plant Type: Cactus, Shrub, Perennial
Height: To 8 inches (20 cm) tall
Date Observed: June 9, 2007
Notes: The 3 inch (8 cm) wide flowers have a band of white at the base of the pink tepals. The all-radial, comblike spines are held flat to the stems in rainbow-like alternating bands of pink and white. The similar upland cactus E. pectinatus has green below the white at the base of the flower tepals.
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