Which among the following is not a part of the shoot system?

Step-by-step solution

Stipules are small lateral outgrowths of the leaf base. Leaves are the parts of a plant that arise from the nodes of a stem. A rhizome is an underground stem modification. Pneumatophores are negatively geotropic roots that grow upward. These roots contain air spaces that help in gaseous exchange in the mangrove plants. Thus, option C is the correct answer.