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intercalary meristem

plant anatomy

Quick Summary

An intercalary meristem is a type of plant tissue responsible for growth, specifically found between regions of mature tissue. These meristems are crucial for the elongation of stems and leaves, particularly in grasses. Unlike apical meristems at the tips of roots and shoots or lateral meristems that increase girth, intercalary meristems are located at stem nodes and leaf bases. They allow plants, especially grasses, to regrow after being cut or grazed because the meristematic tissue at the base of the leaves can continue to divide and produce new growth.123

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