Similarities and differences between monocotyledons and dicotyledons stems

Similarities between monocot and dicot stem

  1. Epidermis is made of a single layer
  2. Have thick cuticle
  3. Ground tissue parenchymatous
  4. Xylem and phloem are organized in vascular bundle.

 

Differences between monocot and dicot stems

  Dicot stem Monocot stem
1. Endodermis present Endodermis absent
2. Vascular bundles are arranged in a ring Vascular bundle scattered in ground tissue
3. Vascular bundles are few in number 4-8 Vascular bundle numerous
4. Xylem elements polygonal Xylem elements are circular
5. Pericycle present Pericycle absent
6. Pith present Pith absent
7. Medullary rays present Medullary rays absent
8. Undergo secondary growth No secondary growth
9. Bundle sheath absent around the vascular bundles Vascular bundles are surrounded by sclerenchmatous bundles sheath
10. Vascular bundles open Vascular bundles closed
11. Hypodermis is made of collenchyma cells Hypodermis is made up of sclerenchyma cells
12. Ground tissue is differentiated into cortex, endodermis, pericycle and pith. Ground tissue is not differentiated
13. Starch sheath present Starch sheath absent

 

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Dr. Bbosa Science

 

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