Differences between stem tuber (Potato) and root tuber (Sweet Potato):
| S.No. |
Stem tuber (Potato) |
Root tuber (Sweet Potato) |
| (i) |
Fleshy underground stem. |
Fleshy adventitious root. |
| (ii) |
Divided into nodes and internodes. |
The nodes and inter- nodes are absent. |
| (iii) |
Does not bear roots. |
Have several fine roots |
| (iv) |
Scale leaves present. |
Scale leaves absent. |
| (v) |
When exposed, stem tuber may develop chlorophyll. |
No chlorophyll is developed in the root tuber |
| (vi) |
Apical bud present. |
Apical bud present. |
| (vii) |
Stem like anatomy. |
Root like anatomy. |
| (viii) |
Stem tuber develops at the tip of an underground branch. |
Root tuber develops from any part of root. |
