Abstract

The use of Commelina communis as a model plant for investigating stomatal physiology is described. The epidermis of this species can be peeled off relatively easily, and a technique is described for obtaining material of reproducible quality. With these epidermal strips, the stomatal complexes are easily observed. Moreover, the cells on strips remain functional, allowing them to be used to explore aspects of stomatal physiology under controlled conditions in vitro. While studying C. communis stomata, students can learn much about plant cell biology as well as basic microscopy and descriptive statistics.

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