Gymnosphaera
Gymnosphaera is a genus of tree ferns in family Cyatheaceae.
| Gymnosphaera | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Cyatheales |
| Family: | Cyatheaceae |
| Genus: | Gymnosphaera Blume |
| Species | |
|
See text. | |
| Synonyms | |
Taxonomy
The genus was originally described by Carl Ludwig Blume in 1828.[1] It was frequently treated by later authors as a synonym of Cyathea or Alsophila.
In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), Gymnosphaera was left as a synonym of Alsophila, as evidence to support its reliable separation was lacking.[2] More recently, Shi-Yong Dong and collaborators proposed the revival and recircumscription of the genus based on additional phylogenetic evidence,[3] an act subsequently accepted by other tree fern workers.[4]
List of species
As of January 2023, the following species are accepted in the genus as currently circumscribed by the Checklist of Ferns and Lycophytes of the World:[5]
- Gymnosphaera acrostichoides (Alderw.) S.Y.Dong
- Gymnosphaera alticola Tardieu
- Gymnosphaera andersonii (J.Scott ex Bedd.) Ching & S.K.Wu
- Gymnosphaera andohahelensis (Tardieu) Tardieu
- Gymnosphaera annae (Alderw.) S.Y.Dong
- Gymnosphaera atropurpurea (Copel.) Copel.
- Gymnosphaera austroyunnanensis (S.G.Lu) S.G.Lu & Chun X.Li
- Gymnosphaera bachmaensis S.Y.Dong
- Gymnosphaera baileyana (Domin) S.Y.Dong
- Gymnosphaera biformis (Rosenst.) Copel.
- Gymnosphaera boivinii (Mett. ex Ettingsh.) Tardieu
- Gymnosphaera bonii (Christ) S.Y.Dong
- Gymnosphaera capensis (L.fil.) S.Y.Dong
- Gymnosphaera commutata (Mett.) S.Y.Dong
- Gymnosphaera denticulata (Baker) Copel.
- Gymnosphaera dimorpha (Christ) S.Y.Dong
- Gymnosphaera gigantea (Wall. ex Hook.) J.Sm.
- Gymnosphaera glabra Blume
- Gymnosphaera henryi (Baker) S.R.Ghosh
- Gymnosphaera hornei (Baker) Copel.
- Gymnosphaera impolita (Rakotondr. & Janssen) S.Y.Dong
- Gymnosphaera khasyana (T.Moore ex Kuhn) Ching
- Gymnosphaera lurida (Blume) S.Y.Dong
- Gymnosphaera metteniana (Hance) Tagawa
- Gymnosphaera mildbraedii (Brause) S.Y.Dong
- Gymnosphaera nicklesii Tardieu & F.Ballard ex Tardieu
- Gymnosphaera ogurae (Hayata) Tagawa
- Gymnosphaera olivacea (Brause) S.Y.Dong
- Gymnosphaera phlebodes (Lehnert & Coritico) S.Y.Dong
- Gymnosphaera podophylla (Hook.) Copel.
- Gymnosphaera poolii (C.Chr.) S.Y.Dong
- Gymnosphaera ramispina (Hook.) Copel.
- Gymnosphaera ramispinoides (M.Kato) S.Y.Dong
- Gymnosphaera rebeccae (F.Muell.) S.Y.Dong
- Gymnosphaera rouhaniana (Rakotondr. & Janssen) S.Y.Dong
- Gymnosphaera rubella (Holttum) S.Y.Dong
- Gymnosphaera salletii (Tardieu & C.Chr. ex C.Chr. & Tardieu) S.Y.Dong
- Gymnosphaera salvinii (Hook.) S.Y.Dong
- Gymnosphaera saxicola S.Y.Dong & Z.Y.Zuo
- Gymnosphaera scandens (Brause) S.Y.Dong
- Gymnosphaera schlechteri (Brause) Copel.
- Gymnosphaera schliebenii (Reimers) S.Y.Dong
- Gymnosphaera subdubia (Alderw.) S.Y.Dong
References
- Blume, Carl Ludwig (1828). Enumeratio plantarum Javae. Vol. 2. p. 242.
- 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.
- Dong, Shi-Yong; Zuo, Zheng-Yu (2018). "On the Recognition of Gymnosphaera As a Distinct Genus in Cyatheaceae". Annals of the Missouri Botanical Garden. 103 (1): 1–23. doi:10.3417/2017049.
- Loiseau, Oriane; Weigand, Anna; Noben, Sarah; Rolland, Jonathan; Silvestro, Daniele; Kessler, Michael; Lehnert, Marcus; Salamin, Nicolas (2020). "Slowly but surely: gradual diversification and phenotypic evolution in the hyper-diverse tree fern family Cyatheaceae". Annals of Botany. 125 (1): 93–103. doi:10.1093/aob/mcz145.
- Hassler, Michael (19 January 2023). "Gymnosphaera". Checklist of Ferns and Lycophytes of the World. 14.1. Retrieved January 21, 2023.
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