Wildflowers of Tucson, Arizona
Yellow Wildflower
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Acacia constricta - Whitethorn Acacia (White-thorn Acacia) Acacia constricta - Whitethorn Acacia (White-thorn Acacia)
Scientific Name: Acacia constricta
Common Name: Whitethorn Acacia, White-thorn Acacia
Flower Color: Yellow, fading to yellow-orange
Plant Type: Tree, Shrub, Perennial, Deciduous
Height: To 10 feet (3 m) tall or more
Date Observed: August 21, 2002
Notes: The fragrant flowers are clustered in fuzzy, 1/2 inch (1.3 cm) diameter balls. The leaves are bipinnately compound with tiny, green, oval leaflets. The distinctive, large, white thorns are only present on some of the branches. It blooms in the summer.
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