Let us learn about the Stem of Pinus. After reading this article you will learn about: 1. Anatomy of Young Stem of Pinus 2. Secondary Growth in Thickness of Stem of Pinus. Anatomy of Young Stem of Pinus: It resembles the anatomy of dicotyledonous stem in many respects. The general arrangement of the various tissues from the circumference to the [...]
The following points highlight the two types of branching of stems. The types are: 1. Racemose Type 2. Cymose Type. Branching of Stem: Type # 1. Racemose Type: In this type of branching the growth of the main stem is indefinite, i.e., it continues to grow indefinitely by its terminal bud and gives off branches in acropetal succession. Here the [...]
Let us learn about Diversity in Modifications of Stems. After reading this article you will learn about: 1. Categories of Modification of Stems 2. Functions of Stems. Categories of Modifications of Stems: 1. Underground Modifications of Stems: Some stems develop underground in the soil for the purpose of perennation, vegetative propagation and storage of food. These modifications of stems can [...]