In this article we will discuss about the vegetative and sexual modes of reproduction in Pogonatum. Vegetative Reproduction in Pogonatum: Vegetative propagation of Pogonatum takes place by the following methods: Gemmae: Bud-like gemmae develop on the rope-like rhizoids and each gemma forms a gametophyte after germination. Secondary Protonema: The secondary protonema develops from any part […]
Reproduction in Pogonatum
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Evolution of Sporophytes and Gametophytes in Bryophytes
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In this article we will discuss about the evolution of sporophytes and gametophytes in bryophytes. Evolution of Sporophyte in Bryophytes: The sporophyte of bryophytes is called sporogonium which generally consists of a single, terminal sporangium (monosporangiate) with a bulbous foot and with or without an unbranched stalk or seta. The sporogonium is very delicate, short-lived […]
List of 4 Important Fossil Brophytes
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List of four important fossil bryophytes:- 1. Fossil Hepatophyta 2. Fossil Anthocerotophyta 3. Fossil Bryophyta 4. Problematic Fossil Bryophytes. 1. Fossil Hepatophyta (Marchantiophyta): The earliest record of vegetative fossil bryophyte remains is the liverwort from the Upper Devonian of New York which has been assigned to the form-genus Pallavicinites, (= Hepaticites) devonicus (Fig. 6.60A). The […]
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