In this article we will discuss about the process of development of leaf, explained with the help of diagrams. In the shoot system of plants the leaf is the principal lateral appendage of stem. A leaf has determinate growth. The foliage leaves are of two types — microphyllous- and macrophyllous leaf and the leaves are also called microphyll and megaphyll [...]
The below mentioned article provides an essay on xerophytes. Xeric habitat characterizes xerophytes (xero = dry, phytes = plants). Xerophytes evolved to survive in an ecosystem where there is deficiency in available water. This includes the areas that are subjected to drought like deserts where low rainfall is the norm. The areas may also include physiologically dry soil (not physically [...]
In this article we will study about the secondary structures of plant with the help of suitable diagrams. A. Stem of Aristo-lochia Sp. (Fig. 7.1): In the primary condition the stem reveals the features of a typical dicotyledonous stem, i.e., presence of uniseriate epidermis, well differentiated cortex, ring arrangement of vascular bundles which are distinctly collateral and open type, [...]