Winding Twig (Вьюнок) Cup and Saucer. Winding Twig is the name given to the bindweed or morning glory family of herbs, trees and shrubs. The Latin name for these plants is "to wind" (family Convolvulaceae). Additional 22Kt gold florets and gold enhanced embellishments create delicate beauty and Old World elegance. Made at the Lomonosov Porcelain Factory in St. Petersburg when it was named Leningrad. 2¾" tall by 3½" diameter (cup)and 5½" (saucer). Red "Made in USSR" backstamp. 1 available.