Biology:Leptopteris

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Short description: Genus of ferns

Leptopteris
Temporal range: Early Cretaceous–Recent
Cave Fern Leura.jpg
L. fraseri, New South Wales
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Osmundales
Family: Osmundaceae
Genus: Leptopteris
C.Presl
Type species
Leptopteris fraseri
(Hook. & Grev.) C.Presl

The Leptopteris is a small genus of ferns native to the New Guinea, Australia , New Zealand, and the Pacific Islands. They are similar to ferns in the related genus Todea, and were originally included in that genus. However, the very thin fronds of Leptopteris differ from the thick leathery fronds of Todea, and the genera are considered distinct.[1] A probable extinct species, Leptopteris estipularis is known from the Early Cretaceous of India.[2]

Species

There are seven living species and one naturally-occurring interspecific hybrid.[3]

  • Leptopteris alpina (Baker) C.Chr. – New Guinea and Seram
  • Leptopteris estipularis (Sharma, Bohra & Singh) Bomfleur, Grimm & McLoughlin
  • Leptopteris fraseri (Hook. & Grev.) C.Presl – eastern New South Wales and northeastern Queensland
  • Leptopteris hymenophylloides (A.Rich.) C.Presl – New Zealand and the Chatham Islands
  • Leptopteris × intermedia (B.S.Williams ex T.Moore) Gower (L. hymenophylloides × L. superba) – New Zealand
  • Leptopteris laxa Copeland – Bismarck Archipelago and Solomon Islands
  • Leptopteris minuta Romanovskaja
  • Leptopteris moorei (Baker) ChristLord Howe Island
  • Leptopteris superba (Colenso) C.Presl – New Zealand
  • Leptopteris wilkesiana (Brack.) Gower – Fiji, New Caledonia, New Guinea, Samoan Islands, and Vanuatu

Phylogeny

Phylogeny of Leptopteris[4][5]

L. fraseri (Hooker & Grev.) Presl (Crepe fern, Australia)

L. superba (Colenso) Presl (Prince of Wales feather)

L. hymenophylloides (Richard) Presl (Single crepe fern)

L. wilkesiana (Brack.) Christ[6]

References

  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. 
  2. Bomfleur, Benjamin; Grimm, Guido W.; McLoughlin, Stephen (2017-07-11). "The fossil Osmundales (Royal Ferns)—a phylogenetic network analysis, revised taxonomy, and evolutionary classification of anatomically preserved trunks and rhizomes" (in en). PeerJ 5: e3433. doi:10.7717/peerj.3433. ISSN 2167-8359. PMID 28713650. 
  3. Leptopteris C.Presl. Plants of the World Online. Retrieved 21 January 2024.
  4. Nitta, Joel H.Expression error: Unrecognized word "et". (2022). "An Open and Continuously Updated Fern Tree of Life". Frontiers in Plant Science 13: 909768. doi:10.3389/fpls.2022.909768. PMID 36092417. 
  5. "Tree viewer: interactive visualization of FTOL". 2023. https://fernphy.github.io/viewer.html. 
  6. "Leptopteris fraseri". Zipcodezoo. http://zipcodezoo.com/Plants/L/Leptopteris_fraseri/. 

Wikidata ☰ Q2879931 entry