The upcoming discussion will update you about the difference between vascular bundle of monocot stem and vascular bundle of dicot stem.
Difference # Vascular Bundle of Monocot Stem:
1. The vascular bundles are scattered in the ground tissue.
2. They are of different sizes, the smaller being restricted to peripheral sides.
3. They appear to be embedded in ground tissue.
4. Each vascular bundle is encircled by bundle sheath made up of sclerenchyma.
5. There is no bundle cap.
6. Each vascular bundle is conjoint, collateral or leptocentric and closed, i.e. cambium is lacking.
7. The protoxylem and metaxylem are arranged in the form of capital ‘Y’.
8. Phloem is situated in between and above the metaxylem.
9. Usually a protoxylem lacuna is formed.
10. Secondary vascular tissues are not formed in them as cambium is absent.
Difference # Vascular Bundle of Dicot Stem:
1. The vascular bundles are arranged more or less in a ring surrounding central pith.
2. They are more or less uniform in size.
3. On the sides of vascular bundles medullary parenchyma occurs.
4. Bundle sheath is lacking.
5. In some plants sclerenchymatous bundle cap is present.
6. Each vascular bundle is conjoint, collateral or bicollateral and open, i.e. there exists the cambium in between xylem and phloem.
7. The proto- and metaxylem are arranged in rows.
8. Phloem is situated on the peripheral side of xylem.
9. There is no protoxylem lacuna.
10. Secondary vascular tissues are formed by fascicular cambium.