Metaxya is a neotropical genus of ferns in the order Cyatheales. It is the only genus in the family Metaxyaceae in the Pteridophyte Phylogeny Group classification of 2016 (PPG I).[1] Alternatively, the genus may be placed in the subfamily Metaxyoideae of a more broadly defined family Cyatheaceae,[2] the family placement used in Plants of the World Online as of November 2019.[3]

Metaxya rostrata 2.jpg
Metaxya rostrata
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Cyatheales
Family: Metaxyaceae
Genus: Metaxya

See text.

Metaxya distribution.PNG
Metaxyaceae distribution

The species of the genus are characterized by large fronds that approach 8 ft (2.5 m) in length.


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


  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. S2CID 39980610.
  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. ^ a b "Metaxya C.Presl". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2019-11-25.