Wiktionary
balloon vine
n. A tropical perennial climbing vine, (taxlink Cardiospermum halicacabum species noshow=1), having ornamental balloon-like fruits, and used in traditional Chinese medicine.
WordNet
balloon vine
n. woody perennial climbing plant with large ornamental seed pods that resemble balloons; tropical India and Africa and America [syn: heart pea, Cardiospermum halicacabum]
Usage examples of "balloon vine".
Even Jack, holding fast to his pumpkin head, ran and hid himself behind a balloon vine.