After reading this article we will learn about:- 1. Sporophyte of Azolla 2. Gametophyte of Azolla 3. Phylogeny. Sporophyte of Azolla: The sporophyte is extremely small when compared with Marsilea and Salvinia. It is distinguishable into stem, leaves and roots. The stem is often called the rhizome. It is profusely branched and on its upper surface is covered with dense [...]
In this article we will discuss about the classification of pteridophytes. The term Pteridophyta was first coined by Haeckel. Eichler (1883) divided the plant kingdom into Cryptogamia and Phanerogamia. The Cryptogamia was further divided into Thallophyta. Bryophyta and Pteridophyta. Engler (1909) included the Bryophyta and Pteridophyta under Embryophyta. Due to discovery of the fossil plants, the classification of Pteridophytes has [...]
In this article we will discuss about:- 1. Meaning of Pteridophytes 2. General Characters of Pteridophytes 3. Reproduction 4. Affinities 5. Development of Sporangia 6. Life Cycle Patterns 7. Economic Importance. Contents: Meaning of Pteridophytes General Characters of Pteridophytes Reproduction in Pteridophytes Affinities of Pteridophytes Development of Sporangia in Pteridophytes Life Cycle Patterns of Pteridophytes Economic Importance of Pteridophytes 1. [...]