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. 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 [...]
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 morpholÂogy 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 [...]