All Sweet Potatoes that are of the Latin name Ipomoea Batatas, have both edible roots,(or tubers)and edible young tender green leaves. You can also eat the dried roots and dried vines. This site tells the story well......http://en.wikipedia.org/wiki/Sweet_potato Some sites list the foliage as toxic. I ate them. I was dilicious and I was ok.
The potato is a starchy, tuberous crop
The most popular tuberous root is the sweet potato. In addition to the potato and peanuts.
root
Probably not. I have included two web links to help you make sure. See the related links below. There is also a vine called Potato Vine which is a member of the Solanum family and it is toxic, as are the vines of the sweet potato.
A potato is a tuber. Although technically a vegetable is just a part of a plant that is edible apart from fruit or seeds. So it could be argued as both really or you could just settle with a tuberous vegetable.
A potato is an edible tuber.
A parsnip is related to the carrot, native to Eurasia and is not grown in warm climates. The potato is a starchy tuber, is native to Peru and can be grown in warm climates.
Stem tuber of the potato plant is edible
A potato produce underground tubers. It is the tubers that are edible.
potato
A root or a tuber, a potato is the tuberous root part of the vegetable- found underground, it needs to be pulled out when collected.
Oh yes, the potato is edible straight from the ground, although it tastes better if cooked.