Echinocystis lobata

About

Echinocystis is a monotypic genus in the gourd family, Cucurbitaceae. The sole species is E. lobata, commonly called wild cucumber and prickly cucumber. It is an annual, sprawling plant that is native to North America. Sicyos angulatus, common name "bur cucumber", is an annual plant with a similar clinging vine growth but different-appearing flowers and seed pods.

Summary from Wikipedia