WordNet (r) 3.0 (2006):

wild morning-glory
    n 1: common Eurasian and American wild climber with pink
         flowers; sometimes placed in genus Convolvulus [syn: hedge
         bindweed, wild morning-glory, Calystegia sepium,
         Convolvulus sepium]
    2: weakly climbing European perennial with white or pink
       flowers; naturalized in North America and an invasive weed
       [syn: field bindweed, wild morning-glory, Convolvulus
       arvensis]