Tag Archives | Bryophytes

Reproduction in Pogonatum

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 of the plant other than [...]

By |2016-08-24T10:16:50+00:00August 24, 2016|Bryophytes|Comments Off on Reproduction in Pogonatum

Evolution of Sporophytes and Gametophytes in Bryophytes

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 sinĀ­gle, terminal sporangium (monosporangiate) with a bulbous foot and with or without an unbranched stalk or seta. The sporogonium is very delicate, short-lived and nutritionally dependent on its [...]

By |2016-08-24T10:16:50+00:00August 24, 2016|Bryophytes|Comments Off on Evolution of Sporophytes and Gametophytes in Bryophytes

List of 4 Important Fossil Brophytes

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 reproductive structures are not found [...]

By |2016-08-24T10:16:50+00:00August 24, 2016|Bryophytes|Comments Off on List of 4 Important Fossil Brophytes
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