In this article we will discuss about:- 1. Occurrence and Distribution of Marsilea 2. Sporophyte of Marsilea 3. Gametophyte 4. Phylogeny. Occurrence and Distribution of Marsilea: The genus (Marselia) owes its name to Carl Linnaeus (1753) who named it after the Italian count Luigi Ferdinando Marsigli. It is one of the most widely distributed among ferns. But the genus has [...]
In this article we will discuss about:- 1. Occurrence and Distribution of Hymenophylum 2. Sporophyte of Hymenophylum 3. Gametophyte 4. Phylogeny. Occurrence and Distribution of Hymenophylum: Hymenophyllum is distributed in humid, tropical and warm temperate regions of the world. It is characteristically found in tropical rain forests. In the west land forests of New Zealand it is especially abundant. It [...]
After reading this article we will learn about:- 1. Sporophyte of Azolla 2. Gametophyte of Azolla 3. Phylogeny. Sporophyte of Azolla: The sporophyte is extremely small when compared with Marsilea and Salvinia. It is distinguishable into stem, leaves and roots. The stem is often called the rhizome. It is profusely branched and on its upper surface is covered with dense [...]