Dutchman's pipe Aristolochiaceae Aristolochia macrophylla Lam.   symbol: ARMA7
	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.
	No range map exists for this species. See a map of the states in which Aristolochia macrophylla can be found (opens a new window). USDA Plants Database Aristolochia macrophylla is native to North America.