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Dracoglossum ( англиски )

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Dracoglossum is a small genus of ferns in the family Lomariopsidaceae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I).[1] It is native to the Neotropics of the Americas.

Taxonomy

Dracoglossum was originally treated in Tectaria, but is not related and was therefore placed in the family Dryopteridaceae. It appears to be most closely related to the genus Lomariopsis.[2] Molecular evidence has confirmed this placement and it is now firmly placed in family Lomariopsidaceae, with which it shares characters of habit and stelar structure.[1][3]

Species

As of February 2020, the Checklist of Ferns and Lycophytes of the World and Plants of the World Online recognized two species:[4][5]

The species differ in the presence or absence of an indusium covering each of their sori. Dracoglossum has a creeping rhizome. The leaves are simple and proliferate by vegetative buds (leaf buds) at the apex.

References

  1. ^ a b PPG I (2016), "A community-derived classification for extant lycophytes and ferns", Journal of Systematics and Evolution, 54 (6): 563–603, doi:10.1111/jse.12229, S2CID 39980610
  2. ^ Maarten J.M. Christenhusz. 2007. "Dracoglossum, a new Neotropical fern genus (Pteridophyta)". Thaiszia Journal of Botany 17:1-10. (See External links below).
  3. ^ Christenhusz, Maarten J.M.; Jones, Mirkka; Lehtonen, Samuli (2013). "Phylogenetic placement of the enigmatic fern genus Dracoglossum". American Fern Journal. 103 (2): 131–138. doi:10.1640/0002-8444-103.2.131. S2CID 85744608.
  4. ^ Hassler, Michael & Schmitt, Bernd (January 2020), "Dracoglossum", Checklist of Ferns and Lycophytes of the World, Version 8.20, retrieved 2020-02-03
  5. ^ "Dracoglossum Christenh.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2020-02-03

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Dracoglossum: Brief Summary ( англиски )

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Dracoglossum is a small genus of ferns in the family Lomariopsidaceae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I). It is native to the Neotropics of the Americas.

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Dracoglossumslekten ( норвешки )

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Dracoglossum-slekten (latin: Dracoglossum) er en slekt av store bregner innenfor stortelgfamilien.[1] Slekten har bare to arter som vokser i Latin-Amerika.

Arter

Følgende arter finnes i denne slekten:

Referanser

  1. ^ Smith, A. R., K. M. Pryer, et al.' "A classification for extant ferns", i Taxon 2006 55(3), side 705-731. online tilgjengelig versjon Arkivert 26. februar 2008 hos Wayback Machine.

Eksterne lenker

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Dracoglossumslekten: Brief Summary ( норвешки )

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Dracoglossum-slekten (latin: Dracoglossum) er en slekt av store bregner innenfor stortelgfamilien. Slekten har bare to arter som vokser i Latin-Amerika.

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