root
It's hard to tell. it's best to just memorize these things- carrot is a root, sweet potato is a root, potato is a stem, etc.
Sweet potato is root modification and potato is stem modification both are the example for analogy
Sweet potato is a type of potato but it is not like potato produce by underground stem but by storage root
answer.com feels that sugarcane is a stem of a plant
Sweet potato is a fibrous root because the potato itself is the root.
A portion of a root swells for food or water storage, e.g. sweet potato. A type of storage root distinct from taproot.
potato
it is
Stem tuber of the potato plant is edible
yes
Are you directing at the plant or the sweet potato which is a root itself? Well, the adaptation for the sweet potato plant's root is that it is a structural adaptation and is modified to store food well. As for the sweet potato plant itself , it's the root and the creeping stem which is extensive as it covers a greater area of land.
Brassica. potato is not a root its a tubar, sweet potato is a root. cabbage is leaves and undeveloped flower