Why potato is a stem and sweet potato is root?
Potato is a stem and sweet potato is a root because,
The stem of the potato has undergone modifications in order to store food which is termed as stolons. Potato tubers (modified stems are usually called ‘tubers’) have buds that sprout stems and leaves from them while roots do not possess these properties.
On the other hand
The root of Sweet potato has undergone modifications in order to store the food that is also known as tuberous roots (modified roots are usually called ‘tuberous roots’ or ‘storage roots’).
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