Phragmoplast

Structure in dividing plant cells that builds the daughter cell wall

The phragmoplast is a plant cell specific structure that forms during late cytokinesis. It serves as a scaffold for cell plate assembly and subsequent formation of a new cell wall separating the two daughter cells. The phragmoplast can only be observed in Phragmoplastophyta, a clade that includes the Coleochaetophyceae, Zygnematophyceae, Mesotaeniaceae, and Embryophyta. Some algae use another type of microtubule array, a phycoplast, during cytokinesis.

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