a climbing vine, Aristolochia durior, of the birthwort family, having large, heart-shaped leaves and brownish-purple flowers of a curved form suggesting a tobacco pipe.
Origin of Dutchman's-pipe
An Americanism dating back to 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a woody climbing plant, Aristolochia sipho, of the eastern US, cultivated for its greenish-brown mottled flowers, which are shaped like a curved pipe: family Aristolochiaceae
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012