Intercellular strands associated with stomata: stomatal pectic strands.
by Carr D. J., Carr S. G. M., Jahnke R .(1980)
in Protoplasma 102: 177–192 – doi:10.1007/BF01276958 –
Pectic strands are shown to connect the lower stomatal ledges and to develop across the posterior chamber of a number of plant species.
Similar strands are formed between guard cells and subsidiary cells, and between epidermal cells.