Bulliform cells or motor cells are a large, bubble-shaped epidermal cell that occurs in groups of several monocots on the upper surface of the leaves. ... When water is abundant, water and bulge are absorbed and shrink when less water is present, curling the leaf which helps to reduce water loss due to evaporation.

What are bulliform cells What are the functions of Class 11?

by Biology experts to help you in doubts & scoring excellent marks in Class 11 exams. The function of bulliform cells are storage of water, unrolling of maturing leaves and hygroscopic movement of leaves.

What do you mean by bulliform cells?

: one of the large thin-walled apparently empty cells that occur in the epidermis of many grass leaves and that by their turgor changes cause rolling and unrolling of the leaves thus regulating water loss. — called also hygroscopic cell, motor cell.