Marchantia (Marchantia)
Description
Marchantia is a genus in the family Marchantiaceae of the order Marchantiales, a group of liverworts. The Marchantia thallus shows differentiation into two layers: an upper photosynthetic or assimilatory region and a lower storage region with a well-defined upper epidermis with air channels (barrel-shaped). The thallus features tiny cup-like structures called gemmae cups, which are used for asexual reproduction. The combination of barrel-shaped pores and gemmae cups are diagnostic of the genus.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Hepaticophyta
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Class: Hepaticopsida
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Order: Marchantiales
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Family: Marchantiaceae
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Genus: Marchantia
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