Corm | Bulb |
1)Its shape may be spherical, elongated or vertically compressed. | 1)Its shape is roughly spherical or pyriform in outline. |
2)The stem is swollen or enlarged. | 2) The stem is conical in shape. |
3)Buds are born externally. | 3)Buds are born internally. |
4)The example is Colocasia and Crocus. | 4) The example is Allium cepa and Lilium bulbifera. |