In this article we will discuss about:- 1. Introduction to Pteropsida (Ferns) 2. Plant Body of Pteropsida (Ferns) 3. Gametophyte 4. Classification 5. Phylogeny. Introduction to Pteropsida (Ferns): Pteropsida represent the most highly evolved group among the lower vascular plants. In this group are included some of the most beautiful, and most familiar plants called Ferns which are the joy [...]
Occurrence and Distribution: This is a cosmopolitan fern being distributed in almost all geographical regions. Pteris however, prefers tropical and sub-tropical climates. Plants usually grow in well drained places or in the crevices of rocks. They are very common along the slopes of hills and can be seen even at 1200 metres above sea level. There are about 250-280 species [...]
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 [...]