Didymochlaena
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]
| Didymochlaena | |
|---|---|
| Didymochlaena truncatula | |
| Scientific 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] | |
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] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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References
- "Didymochlaena Desv". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 3 June 2024.
- 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
- 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.
- Shang, Hui; Zhang, Li-Bing (2023). "Systematics of the Fern Genus Didymochlaena (Didymochlaenaceae)". Systematic Botany. 48 (1): 110–139. doi:10.1600/036364423X16758873924144.
- 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.
- "Tree viewer: interactive visualization of FTOL". FTOL v1.3.0. 2022. Retrieved 12 December 2022.
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