In this essay we will discuss about cycas which belongs to the family of class cycadopsida. After reading this essay you will learn about:- 1. Distribution Pattern of Cycas 2. Root of Cycas 3. Stem 4. Leaf 5. Affinities. Essay # 1. Distribution Pattern of Cycas: The distribution pattern with identifying characteristics of Indian species of Cycas are: 1. [...]
In this essay we will discuss about the pinus. After reading this essay you will learn about:- 1. External Morphology of Pinus 2. Internal Structure of Pinus 3. Stem 4. Leaf. Essay # 1. External Morphology of Pinus: Pinus shows a typical tap root system. The tap root (long root) persists but several lateral roots (short or dwarf root) grow [...]
In this essay we will discuss about:- 1. Roots of Glossopteris 2. Leaves of Glossopteris 3. Fructification. Essay # 1. Roots of Glossopteris: The detached roots of Glossopteris plant are called Vertebraria (Fig. 1.9B). The roots are flattened and grooved with wedge-like sectors that radiate from the centre of the axis. The wedges are made up of secondary xylem which [...]