ID mystery

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I've had some sort of caudiciform in a pot in the kitchen for years. I've lost the tags for what the Latin name was, so, I thought maybe some of you might be able to help. Here are a couple of pictures. 

http://www.flickr.com/photos/oxytone/4799766077/

Ideas? The leaves are about two inches at their widest and longest. The caudex hasn't grown much but it is about an inch and a half in size. It sort of went dry for a while so it didn't grow much until this recent re-potting, but I do remember it was vining with tendrils. 

Thank you,

Barry