In this essay we will discuss about:- 1. Stems of Medullosa 2. Leaves of Medullosa 3. Petiole 4. Roots 5. Pollen Organs 6. Ovules (Seeds). Essay on Medullosa Essay Contents: Essay on the Stems of Medullosa Essay on the Leaves of Medullosa Essay on the Petiole of Medullosa Essay on the Roots of Medullosa Essay on the Pollen Organs of [...]
In this essay we will discuss about:- 1. Root of Cordaitales 2. Stem of Cordaitales 3. Leaf 4. Fructification 5. Seed. Essay # 1. Root of Cordaitales: The roots of cordaitales are highly branched and shallow forming stilt roots like those of mangroves. This indicates the halophytic nature of the plants which grew along the sea shores. Anatomically, the root [...]
In this essay we will discuss about:- 1. Stems of Lyginopteris Oldhamia 2. Fronds of Lyginopteris Oldhamia 3. Roots 4. Pollen-Bearing Organs 5. Seeds. Essay # 1. Stems of Lyginopteris Oldhamia: The frequently branched stem of Lyginopteris oldhamia was long, slender (2 mm to 4 cm in diameter). The anatomy of the stem (Fig. 1.2A) shows eustelic configuration with [...]