In this article we will discuss about the evolutionary trends in the development of plant body in the chlorophyta. i. Evolution of Sexuality in the Chlorophyta: The Chlorophyta represent an evolutionary series in which the gametic union became most firmly established even in the most primitive forms and persists among the highest members of the series. The evolution in sexuality [...]
In this article we will discuss about the classification of oedogoniales. Family Oedogoniaceae: This family includes chiefly the fresh-water forms which prefer to grow in quieter situations and are often attached to submerged plant parts or any other object. The plant body may be of branched or un-branched filament. The distinguishing feature of the family is the presence of a [...]
The following points highlight the two families under which zygamatales has been classified. The families are: 1. Zygnemataceae 2. Desmidiaceae. Family # 1. Zygnemataceae: This family includes fresh-water multicellular filamentous forms of algae. Genus Spirogyra of Zygnemataceae: It is one of the common green algae occurring chiefly in ponds, pools, ditches, and similar other places. It prefers still, rather than [...]