Which meristems are responsible for secondary growth in dicotyledonous plants and gymnosperms?

Step-by-step solution

You also know that in dicotyledonous plants and gymnosperms, the lateral meristems, vascular cambium and cork-cambium appear later in life. These are the meristems that cause the increase in the girth of the organs in which they are active. This is known as secondary growth of the plant