Give one function of the heartwood.
GeneralClass 12AllAnswered 27 Mar 2026
Answer
Provides mechanical support to the stem.
Additional Functions:
- Structural integrity: Prevents buckling under wind stress
- No conduction: Dead cells filled with tannins, resins, oils
- Decay resistance: Aromatic compounds repel microorganisms and insects
- Commercial value: Used in furniture (teak, mahogany)
Contrast with Sapwood: Sapwood (outer secondary xylem) conducts water; heartwood does not.
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