Question
Download Solution PDFThe portion of the trunk having inner annular rings surrounding the pith is called:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF
Explanation:
1. Pith:
It is the innermost part of tree consisting of cellular tissue which is used for nourishment of tree in young age.
2. Sapwood:
It is the outer annual ring between heartwood and cambium layers. It is the living, outermost portion of a woody stem or branch.
3. Heartwood:
The inner annual rings surrounding the pith are known as heartwood. It imparts rigidity to the tree.
4. Cambium Layer:
It is a thin layer of sap between sapwood and the inner bark.
5. Inner bark:
It gives protection to the cambium layer
6. Outer bark:
It is the outermost part of the tree
7. Medullary sheath:
A thin radial fibres extending from pith to the cambium layer.
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