Marattia
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Marattia is a small genus of basal, large, fleshy eusporangiate ferns. It is the type genus of the family Marattiaceae, order Marattiales and class Marattiopsida.[1] Formerly considered to be a much larger genus, genetic analysis has shown that Marattia in the broad sense was paraphyletic, and subsequently the genera Ptisana and Eupodium were split off.[2][3] Except for one species in Hawaii, the genus is neotropical.
The plants are large and terrestrial, with more or less erect rhizomes and fronds being 2-5 times pinnate. Sporangia are fused into synangia, and spores are monolete.
Basal chromosome count is 2n=80. The type species is M. alata.
Species list
- Marattia alata Sw. – Jamaica and Cuba
- Marattia douglasii (C. Presl) Baker – pala, kapua ilio, or Hawaii potato fern; Hawaii
- Marattia excavata Underw. – Mexico to Panama
- Marattia interposita Christ – Guatemala to Panama
- Marattia laxa Kunze – Mexico to Panama
- Marattia weinmanniifolia Liebm. – southern Mexico to El Salvador
Phylogeny of Marattia[4][5] Script error: No such module "Clade".
References
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External links
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