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. Occurrence and Distribution of Osmunda 2. Sporophyte of of Osmunda 3. Gametophyte 4. Phylogeny. Occurrence and Distribution of Osmunda: Osmunda, the royal fern is a common member of the green house. It is commonly cultivated in gardens for its beautiful, attractive, lush green foliage. Smith (1955) mentions about 12-14 species as belonging [...]
In this article we will discuss about:- 1. Occurrence and Distribution of Ophioglossum 2. Sporophyte of Ophioglossum 3. Gametophyte 4. Phylogeny. Occurrence and Distribution of Ophioglossum: Of all the genera of the family, Ophioglossum is the most widely distributed being found in almost all the parts of the globe. The genus is divided into three sub-genera viz.: (i) Euophioglossum e.g., [...]