Specialised epidermal cells surrounding the guard cells are called (a) bulliform cells (b) lenticels (c) complementary cells (d) subsidiary cells.
Option D The leaf and stem epidermis of plant is covered with pores called stomata. Each stomata is surrounded by a pair of specialised epidermal cells known as guard cells which are in some cases further surrounded by another category of less modified epidermal cells known as subsidiary cells which provide support to the guard cells.
