Tag Archives | Pteridophyta

Essay on Pteridophyta | Plants

The Pteridophytes comprise of the lower vascular plants (Trachaeophyta) which show distinctly vascular, independent sporophytic plants arising from embryos (Embryophyta or Cormophyta) which are not enclosed within any 'seed' structure. These alternate with independent gametophytes which are almost bryophytic in appearance and bear antheridia and archegonia (Archegoniatae). These lower vascular plants are called the Pteridophytes or the Pteridophyta. Although numerically [...]

By |2016-10-17T07:29:59+00:00October 17, 2016|Essay|Comments Off on Essay on Pteridophyta | Plants
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Notes on Protolepidodendrales | Plants

The Protolepidodendridae comprising of the single order Protolepidodendrales consist of Palaeozoic fossils extending from the Silurian to the Devonian. They are usually placed within a single family Protolepidodendraceae which may be rather artificial as the details of most of the genera are not known. The sporophytes were herbaceous with the branches densely covered by microphyllous, eligulate leaves. Sporophylls were dispersed [...]

By |2016-10-17T07:29:58+00:00October 17, 2016|Plants|Comments Off on Notes on Protolepidodendrales | Plants
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Life Cycle of Lycopodium (With Diagram) | Plants

In this article we will discuss about the life cycle of lycopodium, explained with the help of suitable diagrams.   Lycopodium is a large genus with about 180 species having world-wide distribution in tropical to temperate regions. They are herbaceous, terrestrial plants or erect to pendent epiphytes. The stems are densely covered with microphylls and are protostelic. The genus is [...]

By |2016-10-17T07:29:57+00:00October 17, 2016|Plants|Comments Off on Life Cycle of Lycopodium (With Diagram) | Plants
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