In the article we will discuss about the life cycle of polypodium which belongs to pteridophyta division. The Sporophyte of Polypodium: The stem of Polypodium is a perennial, sparingly branched, erect or creeping rhizome, which when destitute of fronds (leaves) has the appearance of some kind of sea polypus. Usually, the greater part of the rhizome […]
Life Cycle of Polypodium | Pteridophyta | Botany
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Origin of Seed Habit of Plants | Pteridophyta | Botany
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Origin of Seed Habit: The dominant plants of the present day are the Gymnosperms and the Angiosperms. It seems certain that the dominance of these groups of plants over the vascular cryptogams, which reproduce by means of spores, is mainly due to their acquisition of the method of reproduction by seeds. In the cryptogamic type […]
Life Cycle of Ophioglossum | Pteridophyta | Botany
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In this article we will discuss about:- 1. Origin of Ophioglossum 2. Morphology of the Spike 3. The Gametophyte 4. The New Sporophyte. Origin of Ophioglossum: The genus comprises of 28 species. The common Indian species are O. gramineum, O. vulgatum, O. nudicaule, O. reticulatum, etc. The plant is characterized usually by the presence of […]