Lepidodendron is the best known genus of the Palaeozoic and is with more than 100 species. It appeared in the Late Devonian, flourished most luxuriantly in the Carboniferous and probably declined during the Late Permian. The Sporophyte of Lepidodendron: The plant is a large tree with stigmarian root-system and a straight trunk, which remains un-branched for […]
Life Cycle of Lepidodendron | Pteridophyta | Botany
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Life Cycle of Selaginella | Pteridophyta | Botany
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Most species of Selaginella inhabit damp forests of tropical climates and are distributed all over the world; some species also grow in the temperate regions. These are found in the hills and are abundantly cultivated, in private gardens. Some are xerophytic and grow on rocky cliffs or dry sandy soil. They are mostly perennial, a […]
Life Cycle of Lycopodium | Pteridophyta | Botany
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Lycopodium, commonly known as ‘club-moss’ and ‘ground pine’, grows chiefly in tropical and subtropical forests but some species are also distributed in arctic and temperate regions. The common Indian species are L. hamilvonii, L. phlegmaria, L. cernuum, L. selago and L. clavatum. The Sporophyte of Lycopodium: In habit, all species vary widely, but all have […]