Snake Vine or Tape Vine
Stephania japonica var. discolor
This twining climber having slender stems without prickles is dioecious meaning that it has male and female flowers on separate plants.
Its name 'discolor' refers to the fact illustrated by the leaf in the lower left part of the photo is showing its underside which is lighter colour than the top side of the leaves.
Created on ... January 10, 2015