Archive | Pteridophytes

Pteridophytes and Bryophytes: Comparison | Plants

In this article we will discuss about the similarities and difference between pteridophytes and bryophytes. Similarities between Pteridophytes and Bryophytes: 1. Life history always encompasses a heteromorphic alternation of generations. 2. Gametophyte generally lacks vascular tissue and is predominantly parenchymatous. 3. Sporophyte reproduces by spore formation and spores are always haploid. 4. Sex organs are multicellular and male sex organ [...]

By |2016-12-22T15:52:56+00:00December 22, 2016|Pteridophytes|Comments Off on Pteridophytes and Bryophytes: Comparison | Plants
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Salvinia: Occurrence and Gametophyte | Botany

After reading this article we will learn about:- 1. Occurrence and Distribution of Salvinia 2. Sporophyte of Salvinia 3. Gametophyte 4. Phylogeny. Occurrence and Distribution of Salvinia: The genus Salvinia has 12 species most of which are found to be distributed in the African continent. The genus is represented in India by two species namely S. natans and S. auriculata. [...]

By |2016-12-22T15:52:55+00:00December 22, 2016|Pteridophytes|Comments Off on Salvinia: Occurrence and Gametophyte | Botany
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Pteridophytes and Gymnosperms: Comparison | Plants

In this article we will discuss about the similarities and differences between pteridophytes and gymnosperms. Similarities between Pteridophytes and Gymnosperms: 1. There is a regular heteromorphic alternation of generations. 2. Sporophyte is the predominant plant body and is differentiated into root, stem and leaves. 3. Some pteridophytes and some gymnosperms exhibit air cinate vernation in young leaves. 4. There are [...]

By |2016-12-22T15:52:55+00:00December 22, 2016|Pteridophytes|Comments Off on Pteridophytes and Gymnosperms: Comparison | Plants
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