In this article we will discuss about:- 1. Occurrence of Angiopteris 2. Sporophyte of Angiopteris 3. Gametophyte 4. Phylogeny. Occurrence of Angiopteris: The family Angiopteridaceae has seven genera and nearly 145 species. All are tropical plants occurring in humid forests. Of the seven genera Marattia and Angiopteris are widely distributed. Angiopteris flourishesl in the tropical forests and is represented very [...]
In this article we will discuss about:- 1. Introduction to Pteridophytes 2. Origin of Pteridophytes 3. Sporophytic Generation 4. Gametophytic Generation 5. Classification 6. Heterospory and Seed Habit 7. Economic Importance 8. Sexuality 9. Indian Work. Introduction to Pteridophytes: Pteridophytes constitute a significant and important group in the plant kingdom. As the first true land plants, they offer a very [...]
In this article we will discuss about:- 1. History of Psilophytopsida 2. Classification of Psilophytopsida 3. Phylogeny. History of Psilophytopsida: One of the most perplexing and enigmatic problems of evolutionary morphology which is still eluding a solution is that of the origin of land plants. The invasion of the land masses by the aquatic inhabitants which perhaps took place about [...]