Dioscorea is a huge genus.
Could it be you are you speaking of a species of Ipomoea?
What did the flowers look like?
blair <blair863 at hotmail.com> wrote in message
news:v3rh869esm5ha5 at corp.supernews.com...
> I was at somebody's house once and they had a big sprawling plant with
> shaped leaves. They said that they grew it by putting a relative of the
> family into the ground and planting it. Apparently you could also plant a
> yam and grow a different plant as well.
>> Does anyone know what this plant is?