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. Distribution of Psilotum 2. Sporophyte of Psilotum 3. Gametophyte 4. Phylogeny. Distribution of Psilotum: Though several species have been reported in Psilotum, all of them usually fall into two well defined species, viz., P. nudum (P. triquertum) and P.flaccidum (P. complanatum). The earlier reports of the existence of several species is probably [...]
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 [...]