In this essay we will discuss about:- 1. Root of Ginkgo 2. Stem of Ginkgo 3. Leaf. Essay # 1. Root of Ginkgo: External Morphology: Ginkgo shows a typical tap root system. The tap root persists and is extensively branched and penetrates deep into the soil. The roots of Ginkgo biloba is characterised by vasicular-arbuscular-mycorrhizas (VAM) with Glomus epigaeum inoculation. [...]
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 [...]