It is the meristem, that occurs laterally, parallel to the long axis, of plant body. Cambium strips formed in the vascular bundles, and in the cortex, are common examples, of lateral meristem. It is responsible, for an increase in the girth (circumference) of the plant body, as it brings about the formatio,n of secondary permanent tissues. The lateral meristem, is an example of, secondary meristem. C. Based on Differentiation