Aristolochia contorta (Dutchman's Pipe vine)

Aristolochia contorta, commonly known as Dutchman's Pipe vine, is a deciduous climbing vine. It features unique and contorted yellowish-green flowers that resemble the shape of a Dutch smoking pipe. The flowers of this vine emit a pungent odor that attracts its primary pollinators, fungus gnats. The plant grows up to 20 feet in height and spreads about 10 to 15 feet in width.