sweet potato vine

English Thesaurus

1. pantropical vine widely cultivated in several varieties for its large sweet tuberous root with orange flesh (noun.plant)

hypernym	:	morning glory,
definition	:	any of various twining vines having funnel-shaped flowers that close late in the day (noun.plant)

part holonym	:	sweet potato,
definition	:	the edible tuberous root of the sweet potato vine which is grown widely in warm regions of the United States (noun.food)