Dioscorea pyrifolia
[-]

photo
DSC00895 (12)
photo
DSC00896 (12)
photo
DSC00900 (12)
photo
DSC00897 (12)

The plant above was seen in forested area while the one below was found in a park. They should be the same species.

photo
DSC01859 (14)
photo
DSC07620 (10)
photo
DSC02197 (11)
photo
DSC01863 (14)
photo
DSC01864 (14)
photo
DSC02198 (11)
photo
DSC09572 (12)
photo
DSC09578 (12)
photo
DSC02207 (11)