In this article we will discuss about the two principal types of stelar organisation in vascular plants: 1. Protostele 2. Siphonostele. Type # 1. Protostele: It is the simplest and most primitive type of stele. The vascular cylinder consists of solid core of xylem surrounded by phloem, pericycle and endodermis. There is no pith e.g., […]
Stelar Organisation in Vascular Plants (With Diagram)
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Difference between Tracheid and Fibre | Plants
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The upcoming discussion will update you about the differences between Tracheid and Fibre. Difference # Tracheid: 1. It is a tracheary element. 2. Tracheid is found only inside xylem. 3. It is 1-6 mm in length. 4. Cell wall is comparatively less thickened. 5. The lumen is wide. 6. Thickening can be annular, spiral, reticulate, […]
Difference between Parenchyma and Collenchyma | Plants
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The upcoming discussion will update you about the differences between Parenchyma and Collenchyma. Difference # Parenchyma: 1. The cell wall is commonly thin but uniform in thickness. 2. It provides mechanical strength only when the cells are fully turgid. 3. Parenchyma is found in both the outer and inner parts of plant organs. 4. It […]
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