Wildflowers of Tucson, Arizona
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Aristolochia watsonii - Watson's Dutchman's Pipe Aristolochia watsonii - Watson's Dutchman's Pipe
Scientific Name: Aristolochia watsonii
Common Name: Watson's Dutchman's Pipe, Southwestern Pipevine
Flower Color: Green and dark brown
Plant Type: Vine, Herb, Perennial
Height: Trailing to 3 feet (91 cm) long
Date Observed: September 3, 2005
Notes: Poisonous. The 1.25 inch (3.2 cm) long, tubular flowers are curved backwards with an elongated mouth. The hairy throat is green with brown spots. The long, narrow, arrow-shaped leaves are green to brownish. It blooms anytime from April to October.
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