In this article we will discuss about the occurrence and position of stomata in epidermis. Stoma occurs in the epidermises of any of the aerial parts of plants. It occurs in Bryophytes, Pteridophytes and Spermatophytes. In Bryophyta stoma is found on the capsules of Anthocerotopsida and Bryopsida. In Marcnantiopsida stomata are absent; instead pores are present on the surface of [...]
In this article we will discuss about the meaning and types of stomata. Meaning of Stomata: Stomata are very minute openings found in the epidermal layer of leaves, stem and other aerial parts of the plant. Each stoma remains surrounded by two kidney-shaped or bean-shaped cells called guard cells. Chloroplasts are always present in the guard cells. The inner wall [...]
In this article we will discuss about:- 1. Meaning of Stomata 2. Types of Stomata 3. Distribution 4. Daily Periodicity 5. Diffusive Capacity 6. Dynamic 7. Mechanism 8. Aspects of the Physiology of Stomatal Opening. Contents: Meaning of Stomata Types of Stomata Distribution of Stomata Daily Periodicity of Stomatal Movements Diffusive Capacity of Stomata Dynamic of Stomata Mechanism of Stomatal [...]