Didymochlaena

Genus of ferns

Didymochlaena
Didymochlaena truncatula
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Polypodiineae
Family: Didymochlaenaceae
Ching ex Li Bing Zhang & Liang Zhang
Genus: Didymochlaena
Desv.
Type species
Didymochlaena sinuosa
Desv.
Species

See text

Synonyms[1]

Didymochlaena is a genus of ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it is the only genus in the family Didymochlaenaceae.[2] Alternatively, the family may be placed in a very broadly defined family Polypodiaceae sensu lato as the subfamily Didymochlaenoideae.[3]

Description

Members of this genus are terrestrial, evergreen plants growing 0.8–3 m (2 ft 7 in – 9 ft 10 in) tall. The fronds arise from upright, scaly rhizomes. The leaves are bipinnate and imparipinnate.[4]

Species

This genus includes the following species:[1]

  • Didymochlaena alpina Li Bing Zhang & H.Shang
  • Didymochlaena amazonica Li Bing Zhang & H.Shang
  • Didymochlaena attenuata (Bonap.) Li Bing Zhang & H.Shang
  • Didymochlaena bipinnatipartita (Bonap.) Li Bing Zhang & H.Shang
  • Didymochlaena cameroonensis Li Bing Zhang & H.Shang
  • Didymochlaena comorensis Li Bing Zhang & H.Shang
  • Didymochlaena cubensis Li Bing Zhang & H.Shang
  • Didymochlaena deltoidea Li Bing Zhang & H.Shang
  • Didymochlaena dimidiata Kunze
  • Didymochlaena fijiensis Li Bing Zhang & H.Shang
  • Didymochlaena madagascariensis Li Bing Zhang & H.Shang
  • Didymochlaena mesoamericana Li Bing Zhang & H.Shang
  • Didymochlaena microphylla (Bonap.) C.Chr.
  • Didymochlaena oceanica Li Bing Zhang & H.Shang
  • Didymochlaena philippensis Li Bing Zhang & H.Shang
  • Didymochlaena punctata Li Bing Zhang & H.Shang
  • Didymochlaena sinuosa Desv.
  • Didymochlaena solomonensis Li Bing Zhang & H.Shang
  • Didymochlaena spinulosa (Brause) Li Bing Zhang & H.Shang
  • Didymochlaena truncatula (Sw.) J.Sm.

Phylogeny

External phylogeny from PPG I 2016 [2] Internal phylogeny from Fern Tree of Life[5][6]
Didymochlaena

D. sinuosa

D. truncatula

D. dimidiata

D. spinulosa

D. philippensis

D. punctata

D. fijiensis

D. oceanica

D. solomonensis

References

  1. ^ a b "Didymochlaena Desv". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 3 June 2024.
  2. ^ 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
  3. ^ 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.
  4. ^ Shang, Hui; Zhang, Li-Bing (2023). "Systematics of the Fern Genus Didymochlaena (Didymochlaenaceae)". Systematic Botany. 48 (1): 110–139. doi:10.1600/036364423X16758873924144.
  5. ^ Nitta, Joel H.; Schuettpelz, Eric; Ramírez-Barahona, Santiago; Iwasaki, Wataru; et al. (2022). "An Open and Continuously Updated Fern Tree of Life". Frontiers in Plant Science. 13: 909768. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.
  6. ^ "Tree viewer: interactive visualization of FTOL". FTOL v1.3.0. 2022. Retrieved 12 December 2022.
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Classification of Archaeplastida or Plantae s.l.
Domain
Archaea
Bacteria
Eukaryota
(major groups
Excavata
Diaphoretickes
Hacrobia
Rhizaria
Alveolata
Stramenopiles
Plants
Amorphea
Amoebozoa
Opisthokonta
Animals
Fungi)
Archaeplastida
Picozoa
Rhodelphidia
Rhodophyta
(red algae)
Glaucophyta
incertae sedis
Viridiplantae
or Plantae s.s.
(green algae &
land plants)
Prasinodermophyta
 Chlorophyta
Prasinophytina
Chlorophytina
Streptophyta
Phragmoplastophyta
Anydrophyta
Embryophyta
(land plants)
  • (see below↓)
Embryophytes or Plantae sensu strictissimo
Bryophytes
Marchantiophyta
(liverworts)
Anthocerotophyta
(hornworts)
Bryophyta
(mosses)
 Polysporangiophytes
Protracheophytes*
Tracheophytes
(vascular plants)
Paratracheophytes*
Eutracheophytes
Lycophytes
Euphyllophytes
Moniliformopses
Lignophytes
Progymnosperms*
  • †Noeggerathiopsida
  • †Aneurophytopsida
  • †Archaeopteridopsida
  • †Protopityales
Spermatophytes
(seed plants)
Pteridosperms*
(seed ferns)
and other extinct
seed plant groups
Acrogymnospermae
(living gymnosperms)
Angiospermae
(flowering plants)
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Fern classification
  • Supergroup Plant:
  • Bryophyta
  • Marchantiophyta
  • Polypodiophyta
  • Acrogymnospermae
  • Angiospermae
Basal clade
Cladoxylopsida
  • †Cladoxylales
    • †Cladoxylaceae
    • †Voelkeliaceae
  • †Hyeniales
    • †Hyeniaceae
  • Iridopteridales
    • †Iridopteridaceae
  • Pseudosporochnales
    • †Pseudosporochnaceae
  • †Steloxylales
    • †Steloxylaceae
Polypodiopsida
†Stauropterididae
†Zygopterididae
Equisetidae
Equisetales
  • †Asterocalamitaceae
  • †Autophyllitaceae
  • †Honseleriaceae
  • Archaeocalamitaceae
  • †Paracalamitaceae
  • Calamitaceae
  • †Apocalamitaceae
  • †Konnostachyaceae
  • †Manchurostachyaceae
  • †Notocalamitaceae
  • †Schizoneuraceae
  • †Sorocaulinaceae
  • †Echinostachyaceae
  • †Gondwanostachyaceae
  • †Tchernoviaceae
  • Equisetaceae
Ophioglossidae
Psilotales
Ophioglossales
Marattiidae
Marattiales
  • †Knorripteridaceae
  • †Pecopteridaceae
  • †Ptychocarpaceae
  • †Weichseliaceae
  • †Asterothecaceae
  • †Danaeopsidaceae
  • Marattiaceae
Polypodiidae
  • †Anachoropteridales
    • †Anachoropteridaceae
    • †Psalixochlaenaceae
    • †Sermayaceae
  • †Botryopteridiales
    • †Botryopteridiaceae
  • †Senftenbergiales
    • †Senftenbergiaceae
  • †Urnatopteridales
    • †Crossothecaceae
    • †Discopteridaceae
    • †Urnatopteridaceae
Osmundales
Hymenophyllales
Gleicheniales
Schizaeales
Salviniales
Cyatheales
Thyrsopteridineae
Cyatheineae
Polypodiales
Saccolomatineae
Lindsaeineae
Pteridineae
Dennstaedtiineae
Aspleniineae
Polypodiineae
Taxon identifiers
Didymochlaena
Didymochlaena truncatula
Didymochlaenaceae


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