Didymochlaena

Didymochlaena is a genus of fern with only one species, Didymochlaena truncatula, also known under the synonym Didymochlaena sinuosa.[1] 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] It is commonly grown as a house plant, and is sometimes known as the mahogany maidenhair.

Didymochlaena
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Order: Polypodiales
Suborder: Polypodiineae
Family: Didymochlaenaceae
Genus: Didymochlaena
Desv.
Species:
D. truncatula
Binomial name
Didymochlaena truncatula
Synonyms[1]
  • Adiantum lunulatum Houtt.
  • Aspidium cultratum C.Presl
  • Aspidium squamatum Willd.
  • Aspidium squamosum Poir.
  • Aspidium truncatulum Sw.
  • Asplenium fruticosum Vell.
  • Asplenium ramosum Poir.
  • Didymochlaena dimidiata Kunze
  • Didymochlaena lunulata Desv.
  • Didymochlaena microphylla (Bonap.) C.Chr.
  • Didymochlaena pulcherrima (Raddi) Herter
  • Didymochlaena sinuosa Desv.
  • Didymochlaena squamata (Willd.) Desv.
  • Diplazium pulcherrimum Raddi
  • Lindsaea spinulosa Brause
  • Monochlaena sinuosa (Desv.) Gaudich.
  • Nephrolepis lunulata Keyserl.
  • Tegularia adiantifolia Reinw.

Phylogeny

The following cladogram for the suborder Polypodiineae (eupolypods I), based on the consensus cladogram in the Pteridophyte Phylogeny Group classification of 2016 (PPG I),[2] shows a likely phylogenetic relationship between Didymochlaenaceae and the other families of the clade.

Polypodiineae (eupolypods I)
 

Didymochlaenaceae

 
 
 

Hypodematiaceae

 
 
 

Dryopteridaceae

 
 
 
 

Nephrolepidaceae

 
 

Lomariopsidaceae

 
 
 
 

Tectariaceae

 
 
 

Oleandraceae

 
 
 

Davalliaceae

 
 

Polypodiaceae

 
 
 
 
 
 
 
 
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References
  1. "Didymochlaena truncatula (Sw.) J.Sm.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-07-23
  2. 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
  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.


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