Which one of the following is not a lateral meristem?

Intercalary meristems are the portions of apical meristems, which are separated from the apex during the growth of axis and formation of permanent tissues. It is present mostly at the base of node (eg, Mentha viridis), base of internode (eg, stem of many monocots viz, wheat, paddy, grasses; pteridophytes like Equisetum) or at the base of leaf (eg, Pinus).