Plagiogyria

Plagiogyria is a genus of ferns, the only genus in family Plagiogyriaceae in the Pteridophyte Phylogeny Group classification of 2016 (PPG I).[1] Alternatively, the family may be treated as the subfamily Plagiogyrioideae of a very broadly defined family Cyatheaceae,[2] the placement used for the genus in Plants of the World Online as of November 2019.[3]

Plagiogyria
Plagiogyria egenolfioides
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Order: Cyatheales
Family: Plagiogyriaceae
Bower
Genus: Plagiogyria
(Kunze) Mett.

Ferns of this genus present two kind of fronds, the fertile ones longer than the sterile. These ferns are found on forest soils in mountainous areas of tropical and subtropical regions. Most are native to Asia; one is found in the Americas.[4]

Species

As of November 2019, Plants of the World Online accepted the following species:[3]

  • Plagiogyria adnata (Blume) Bedd.
  • Plagiogyria assurgens Christ
  • Plagiogyria egenolfioides (Baker) Copel.
  • Plagiogyria euphlebia (Kunze) Mett.
  • Plagiogyria falcata Copel.
  • Plagiogyria glauca (Blume) Mett.
  • Plagiogyria japonica Nakai
  • Plagiogyria koidzumii Tagawa
  • Plagiogyria matsumurana Makino
  • Plagiogyria pectinata (Liebm.) Lellinger
  • Plagiogyria pycnophylla (Kunze) Mett.
  • Plagiogyria stenoptera (Hance) Diels

Some hybrids are also known:[3]

  • Plagiogyria × neointermedia Nakaike
  • Plagiogyria × sessilifolia Nakaike
  • Plagiogyria × wakabae Sa.Kurata ex Nakaike

References
  1. 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
  2. Christenhusz, Maarten J.M. & Chase, Mark W. (2014), "Trends and concepts in fern classification", Annals of Botany, 113 (9): 571–594, doi:10.1093/aob/mct299, PMC 3936591, PMID 24532607
  3. "Plagiogyria (Kunze) Mett.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-11-28
  4. Plagiogyriaceae. Flora of China.


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