Parts of two plants were observed. Structure A develops aerially and produces roots when comes in contact with the soil. Structure B develops from underground part of the stem, grow obliquely, become aerial and produces roots on its lower surface. Identify, respectively the structure of A and B:-
A-Stolon- Creeping horizontal plant stem that takes root at points along its length to form new plant.
B-Sucker-Shoot arises from the root below the ground level at some distance prom the main stem or trunk.