Tag Archives | Pteridophyta

Classification of Pteridophyta: 4 Classes | Botany

In this article we will discuss about the classification of pteridophyta. 1. Class: Psilotopsida: The members of the class Psilotopsida show close resemblance in fundamental characteristics to the Silurian and Devonian members of Rhyniopsida (e.g., Rhynia, Cooksonia), Zostero- phyllopsida (e.g., Zosterophyllum) and Trimero- phytopsida (e.g., Trimerophyton, Psilophyton). Psilotopsida includes only two living genera viz., Psilotum and Tmesipteris. Characteristic Features of [...]

By |2016-08-24T10:16:50+00:00August 24, 2016|Pteridophyta|Comments Off on Classification of Pteridophyta: 4 Classes | Botany
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Selaginella: Habitat, Features and Reproduction

In this article we will discuss about:- 1. Habit and Habitat of Selaginella 2. Salient Features of Selaginella 3. Structure 4. Reproduction. Habit and Habitat of Selaginella: Selaginella shows considerable variation in size, symmetry and morphology. Mostly they are herbaceous perennials, however, a few are annu­als (Selaginella pygmaea). Majority are dorsiventral, prostrate and creeping (Fig. 7.45) on the sur­face (e.g., [...]

By |2016-08-24T10:16:50+00:00August 24, 2016|Pteridophyta|Comments Off on Selaginella: Habitat, Features and Reproduction
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Lepidodendron: Habit, Habitat and Structure

In this article we will discuss about the habit, habitat and structure of lepidodendron. Habit and Habitat of Lepidodendron: A new groups of arborescent lycopods, pop­ularly known as Lepidodendrales, had evolved from the Middle Devonian lycopods. These arborescent plants would grow to 164 ft (50 m) and form extensive coal measures swamp forest of the Northern Hemisphere Euramerican province during [...]

By |2016-08-24T10:16:50+00:00August 24, 2016|Pteridophyta|Comments Off on Lepidodendron: Habit, Habitat and Structure
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