Thladiantha dubia

About

Thladiantha dubia, the Manchu tubergourd, goldencreeper, wild potato, red hailstone, or (French) thladianthe douteuse, is a herbaceous perennial climbing vine of the gourd family. It is native to Russia, northern China, and Korea, but has been introduced to Japan, southeast Europe, the Galapagos Islands, and scattered locations in North America. It is occasionally grown as a medicinal plant, or as an ornamental in North America.

Summary from Wikipedia