Chocolate Vine that is.
A.K.A. Five leaf akebia, or Akebia quinata. Here is a good explainer.
From Wikipedia: "...of the family Lardizabalaceae. The scientific name, Akebia, is a Latinization of the Japanese name for species Akebia quinata: akebi (通草, akebi?)."
I think the male and female flowers on the same plant are a point of interest. My vine has never born fruit.
Gardeners, Plant and Nature Lovers can join in every Sunday, visit As the Garden Grows for more information.