Question

lateral meristam increases​

Answer 1

The meristem that helps in increasing girth is lateral meristem. The lateral meristem is responsible for lateral growth of the plant i.e., growth in thickness e.g., cambium and cork cambium. It divides only periclinally or radially and is responsible for increase in girth or diameter.

Answer 2

Lateral meristems are referred to as the vascular cambium and cork cambium. Cell divisions in lateral meristems are responsible for increases in plant girth. ... Plant growth regulators like auxin, cytokinin and ethylene increase cambial activity

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