Bulb | Tuber |
1)Only one bulb is present. | 1)These are present in numbers. |
2)It is a compact shoot complex. | 2)It is a swollen end of stolon. |
3)The stem is reduced and discoid. | 3)The stem is enlarged. |
4)food is stored in scales, leaf bases and buds. | 4)Food is stored on the stem. |