In this article we will discuss about the definition of meristem. Meristem can be defined as mitotically active centre that is restricted to specific portion of higher plants and the cells of meristem divide indefinitely by multiple mitoses thus resulting in continuous addition of new cells to the developing plant organs. The zygote, in all sexually reproducing higher plants, divides [...]
In this article we will discuss about the classification of meristem based on position. According to the position in plant body meristems are divided into apical meristem, intercalary meristem and lateral meristem (Fig. 7.3). Apical meristem: It is located at the apices of roots and at the apices of main and lateral shoots. It is also located in trichomes, glands [...]
In this article we will discuss about the classification of meristem based on origin. 1. Primary Meristem: Primary meristem can be defined as a meristem that owes its origin from promeristem, differentiates into permanent tissues that compose the primary body of a plant and persists for the whole life of a plant. The primary body of stem and root, as [...]