Explain briefly the modification of stem found in Pistia and Eichhornia.
GeneralClass 12AllAnswered 27 Mar 2026
Answer
Solution:
Both Pistia and Eichhornia (water hyacinth) exhibit offsets—a type of vegetative propagation.
Offsets are lateral branches with:
- Short internodes
- Rosette of leaves at each node
- Adventitious roots hanging in water
- Used for rapid asexual reproduction in aquatic plants
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