Wildflowers of Tucson, Arizona
White Wildflower
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Peniocereus greggii - Nightblooming Cereus Peniocereus greggii - Nightblooming Cereus
Scientific Name: Peniocereus greggii (Cereus greggii)
Common Name: Nightblooming Cereus, Night Blooming Cereus, Queen of the Night
Flower Color: White
Plant Type: Cactus, Shrub, Perennial
Height: To 7 feet (2.1 m) tall
Date Observed: July 4, 2004
Notes: The fragrant, 4.5 inch (11.4 cm) wide flowers are nocturnal and open for only one night. The fruit is reddish and 3 inches (7.6 cm) long. The stems have 4 to 6 ribs with flattened, downward-projecting spines.
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