PLANT-CELL ASSEMBLAGE IN LAYERS

A determined division wall positioning in each plant cell with respect to the last formed division wall leads to autoreproductive configurat ions which can simulate plant-like meristems as such with 2/5 phyllota ctic patterns. L-map systems are used to generate the corresponding to pological wall nets. But in these patterns cells are not six-sided as mostly found in layers. It is shown that wall staggering cannot be a d eterminate device of the cell itself, nor a randomized dissociation of the cross walls, but results from a physical control with interaction between adjacent cells. It is independent of the cellular program res ponsible for the appearance of patterns like 2/5 phyllotaxis which is of a pentameric nature.