Why is potato tuber considered as a stem although it is an underground plant part?

Open 1 Answers Plant Physiology

1 Answer


The potato tuber has all the parts of a normal stem. It has nodes and internodes. 

The Leafy shoots appear from the nodes. Thus Potatoes are called stem tubers. 

stem tuber is formed from thickened rhizomes or stolons.

answered by Sulekha Shah