Bryophyta

Structure of Marchantia

Structure of Marchantia with Diagram

Marchantia is the most prominent genus in the family Marchantiaceae of the order Marchantiales. They prefer to grow in moist and shady places like wet open woodlands, banks of streams, wood rocks, or on shaded stub rocks. A few species…

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Structure of Riccia

Structure of Riccia with Diagram

Riccia is the most widely distributed genus in the family Ricciaceae of the order Marchantiales. They commonly grow in moist soil, particularly during and after rain. In Riccia, the gametophytic plant body is the dominant phase of the life cycle.…

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Internal structure of Marchantia thallus

Photosynthetic tissues in Bryophytes

The photosynthetic tissues are the chloroplast-bearing cells. These cells are present only in the gametophytic plant body or in the thallus in Riccia and Marchantia. While in other Bryophytes, photosynthetic tissues are present in both gametophytes and sporophytes. Photosynthetic tissues:…

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Evolution of Sporophyte in Bryophytes

The evolution of sporophyte in Bryophytes have been explained with the help of two theories – one is the Antithetic Theory or Theory of Sterilization and the other one is the Homologous Theory or Reduction Theory. The antithetic theory states…

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