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. Occurrence and Distribution of Adiantum 2. Sporophyte of Adiantum 3. Gametophyte 4. Phylogeny. Occurrence and Distribution of Adiantum: Adiantum is popularly called 'Maiden hair fem' because of the shiny black rachis of the leaves. It is one of the most widely distributed genera (Other genera are Cheilanthes, Pellaea, Ceratopieris and Anogramma) of [...]
In this article we will discuss about:- 1. Distribution of Phylloglossum 2. Anatomy of Phylloglossum 3. Vegetative Multiplication 4. Spore Production 5. Phylogeny. Distribution of Phylloglossum: The genus Phylloglossum unlike Lycopodium has a very limited distribution. In fact its entire distribution is confined to a few places in Australia, New Zealand and Tasmania. The genus is monotypic having a single [...]