Wildflowers of Tucson, Arizona
Violet Wildflower
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Orobanche cooperi - Desert Broomrape Orobanche cooperi - Desert Broomrape
Scientific Name: Orobanche cooperi
Common Name: Desert Broomrape
Flower Color: Dark purple
Plant Type: Herb, Annual, Parasite
Height: To 16 inches (41 cm) tall
Date Observed: March 12, 2005
Notes: These native plants are root parasites of nearby shrubs (Asteraceae) in sandy soils. The dark purple, cone-like, glandular-hairy inflorescences arise from pale, underground stems and often form large clumps. The 1/2 inch (1.3 cm) long, bilateral flowers have 3 lower lobes and 2 recurved upper lobes.
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