Answer:
Subaerial stems are the stems that do not rise up but grow just above the ground. As a type of asexual propagation, these subaerial stolons, also called runners, often develop roots and leaves from their nodes
underground stems:
Underground stems are modified plants that derive from stem tissue but exist under the soil surface. ... Stems have nodes with buds where leaves and flowers arise at specific locations, while roots do not.
Explanation:
