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. […]
Selaginella: Habitat, Features and Reproduction
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Lepidodendron: Habit, Habitat and Structure
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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 […]
Psilotum: Features, Reproduction and Phylogeny
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In this article we will discuss about:- 1. Salient Features of Psilotum 2. Reproduction in Psilotum 3. Phylogeny. Salient Features of Psilotum: i. The sporophytes are dichotomously branched with an underground rhizome and upright branches. ii. The upright branches are leafless. iii. Rhizoids present instead of roots. iv. Stem have a relatively simple vascular cylinder. […]
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