Here is a list of sixteen types of roots found in plants. 1. Root of Cicer arietinum (Gram. Subfamily: Papilionaceae): The transverse section of root is more or less circular in outline and shows the following internal tissues from periphery towards the centre (Figs. 31.29, 31.29A). Epidermis: It is also called epiblema or piliferous layer. It is uniseriate and composed [...]
Here is a list of twenty-eight types of stems found in plants. 1. Stem of Helianthus Annuus (Sunflower. Family Asteraceae: Internal Structure before Secondary Growth): The transverse section through the internode of stem is more or less circular in outline and exhibits the following arrangement and structure of tissues from periphery towards centre (Figs. 31.1, 31.1A). Epidermis: The outermost layer [...]
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, [...]