Chondodendron tomentosum.
Botanical name:
Chondodendron tomentosum Ruiz & Pav. Menispermaceae. Wild Grape.
Peru. This plant is called by the Peruvians wild grape on account of the form of the fruit and its acid and not unpleasant flavor.
Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.