I have 4 variety groundnut from USA,Germany,Canada and Korea.
This fall I got over 10 litter of apios and left over one month in the barn.
Now I steamed and eat them,kind of sweet with good flavor.
When my family begin to eat,don't finish untill all gone.
Why apios and yacon are not popular in North America?
yacon and oca are good for eat raw or salad.
I knew this year first time.
chinese artichoke and chinese yam too.