The angle of the picture makes it hard to make out the exact shapes. Take a better picture. Do you know ANYTHING about it?
My initial guess is that it's in the Cucurbitaceae family if we limit our options to more commonly gardened veggies. Plant ID is not my thing though. Whatever it is, it doesn't look like anything I've grown unless those leaves are broader than they appear in the picture...
Let us know when it takes over your body (body snatcher plant)
Maybe it's from 'The Little Shop of Horrors'.... ..
"Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same." - President Ronald Reagan
looks like UBE (purple) it is a starchy root crop plant can grow from a small seed that comes from flowers. Generally grows in tropical areas. It also looks like it could be a Yam or a bean of some sort..