Comparison between dicot root and monocot root

Dicot root
Monocot root
1.      Limited number (2 to 6) of Xylem and phloem groups
Numerous xylem and phloem groups (above 6)
2.      Diarch to hexarch
3.      Xylem cells are polygonal in shape
Xylem cells are rounded in shape
4.      Pith is absent or reduced
Pith is large
5.      Secondary growth is present
Secondary growth is absent

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