Tag Archives | Ophioglossum

Ophioglossum: Distribution and Phylogeny | Botany

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., [...]

By |2016-12-22T15:52:51+00:00December 22, 2016|Pteridophytes|Comments Off on Ophioglossum: Distribution and Phylogeny | Botany
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Ophioglossum: Structure and Reproduction

In this article we will discuss about the structure and reproduction in Ophioglossum. Structure of Ophioglossum: Sporophyte: The sporophyte is differentiated into a sub­terranean rhizome with roots and spirally arranged leaves bearing sporangiferous spike (Fig. 7.92A). Stem: The stem is represented by a short, erect, subterranean rhizome. But in epiphytic species, it is horizontal and dorsiventral structure. The upper surface [...]

By |2016-08-24T10:16:51+00:00August 24, 2016|Pteridophyta|Comments Off on Ophioglossum: Structure and Reproduction
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