Tag Archives | Cordaitales

Essay on Cordaitales | Class Coniferopsida | Gymnosperms | Botany

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 [...]

By Bijoy G|2017-04-11T09:15:51+00:00April 11, 2017|Gymnosperms|Comments Off

Classification of Cordaitales: 3 Families | Plants

The following points highlight the three families under which cordaitales has been classified. The families are:- 1. Pityaceae 2. Poroxylaceae 3. Cordaitaceae. Family # 1. Pityaceae: Pityaceae is known only from trunks of wood and a few vegetative shoots. Occurring in the Devonian and the Lower Carboniferous, they comprise the oldest of the Cordaitales. Arnold (1947) is of opinion that [...]

By Mehak N|2016-10-17T07:29:53+00:00October 17, 2016|Gymnosperm|Comments Off