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Answer: The meristematic tissues found at the base of the internodes of the stem and the petioles of the leaves are referred to as intercalary meristems.
Nodes and internodes are responsible for encouraging plant growth and these tissues play a key role in this process.
For grasses and members of the Poaceae family, this tissue has an additional function:
It promotes the growth of the plant’s leaves and stems longitudinally. These tissues can be found at the base of the leaf primordium in monocot plants.
When the petiole grows, the intercalary meristem is one of the factors that contribute to its development.
