Dutchman's pipe Aristolochiaceae Aristolochia macrophylla Lam. Listen to the Latin symbol: ARMA7 Other Fact Sheets
Leaf: Alternate, simple, heart shaped, entire margins, 5 to 10 inches, petioles quite long and often curved, green above.
Flower: Very unique, curved pipe shape, nearly U-shaped, brownish purple and green, several inches long, appearing in early summer.
Fruit: Six-sided pod, 2 inches long, 3/4 inch wide, brown when ripe in September.
Twig: Slender, initially green, but turning brown, leaf scar U-shaped wrapping around small, clustered, wooly buds.
Bark: Brown, fairly smooth but develops shallow vertical splits.
Form: High climbing, twining vine.

Looks like: supplejack
leaf flower fruit twig bark form1 map
Additional Range Information:
Aristolochia macrophylla is native to North America.
Range may be expanded by planting.
See states reporting Dutchman's pipe.
More: Fall Color
External Links:
USDA Plants Database
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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