Biology:Danaea

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Danaea is a fern genus of approximately 80 species in the eusporangiate fern family Marattiaceae.[1] They are small to intermediately large ferns with erect or creeping rhizomes and usually once-pinnate leaves with opposite pinnae. The fertile leaves are contracted, acrostichoid and covered below with sunken, linear synangia. The genus Danaea has a neotropical distribution, occurring from southern Mexico through Central America, the Caribbean and northern South America to Bolivia, Paraguay and the Mata Atlantica in Brazil and Northern Argentina. There is also a population on Isla del Coco (Cocos Island) in the Pacific.[2][3]

The genus name of Danaea is named after the Greek mythology, Danaë, an Argive princess and mother of the hero Perseus by Zeus.[4]

Two species Danaea carillensis (Costa Rica) and D. simplicifolia (Guianas, Brazil, Trinidad) have simple, undivided leaves, and some other species sometimes have bipinnate leaves (D. atlantica, D. bipinnata, D. nodosa, D. urbanii). One species Danaea kalevala of the Lesser Antilles was named in honour of the Finnish heroic epic Kalevala.

The basal chromosome number for this genus is 2n=80. The type species is Danaea nodosa.[1][5]

Taxonomy

The Smith et al. classification of 2006, based on molecular phylogeny, placed Danaea in Marattiaceae.[6] Subsequent classifications have maintained this placement.Cite error: Closing </ref> missing for <ref> tag It has radiated in the American tropics and presently counts about 80 species in 3 subgenera: subg. Danaea, subg. Arthrodanaea and subg. Holodanaea.[1][7]

Phylogeny of Danaea[8][9] Unassigned species:
(Arthrodanaea)

D. simplicifolia Rudge

D. x ushana Christenh.

D. polymorpha Lepr. ex Baker

D. bipinnata Tuomisto

D. lingua-cervina Christenh. & Tuomisto

D. geniculata Raddi

D. ulei H.Christ

D. leprieurii Kunze

D. danaepinna Christenh.

D. zamiopsis Christenh. & Tuomisto

D. arbuscula Christenh. & Tuomisto

D. antillensis Christenh.

D. trifoliata Reichenb.

D. trinitatensis Christenh. & Tuomisto

(Danaea)

D. erecta Tuomisto & R.C.Moran

D. cartilaginea Christenh. & Tuomisto

D. nigrescens Jenman

D. latipinna Tuomisto & R.C.Moran

D. nodosa (von Linné) Sm.

D. kalevala Christenh.

D. longicaudata Tuomisto

D. grandifolia Underw.

D. leussinkiana Christenh.

(Holodanaea)

D. lucens Rojas

D. acuminata Tuomisto & R.C.Moran

D. vivax Christenh. & Tuomisto

D. falcata Tuomisto & R.C.Moran

D. xenium Christenh. & Tuomisto

D. alata Sm.

D. oblanceolata Stolze

D. lanceolata Tuomisto & Keskiniva

D. gracilis Tuomisto & Keskiniva

D. wendlandii Reichenb.f.

D. excurrens Rosenst.

D. stricta Tuomisto & Keskiniva

D. tenera C.V.Morton

D. bicolor Tuomisto & R.C.Moran

D. inaequilatera Rojas

D. vanderwerffii Tuomisto & Keskiniva

D. trichomanoides Spruce ex T.Moore

D. imbricata Tuomisto & Moran

D. tenuicaulis Tuomisto & Keskiniva

D. riparia Christenh. & Tuomisto

D. humilis T.Moore

D. ypori Christenh.

D. carillensis H.Christ

D. crispa Endrés

'D. x plicata' H.Christ (D. carillensis × D. crispa)

D. jenmanii Underw.

D. moritziana C.Presl

D. mazeana Underw.

D. urbanii Maxon

  • Danaea alansmithii Tuomisto & Keskiniva
  • Danaea alba Keskiniva & Tuomisto
  • Danaea ampla Keskiniva & Tuomisto
  • Danaea andina Keskiniva & Tuomisto
  • Danaea antioquiana Keskiniva & Tuomisto
  • Danaea atlantica Christenh., E.M.Almeida & L.P.Felix
  • Danaea betancurii Rojas
  • Danaea borealis Pabst
  • Danaea chococola Christenh.
  • Danaea coloradensis Knowlton, 1923
  • Danaea cuspidopsis Keskiniva & Tuomisto
  • Danaea dilatata Keskiniva & Tuomisto
  • Danaea draco Christenh.
  • Danaea elongata Keskiniva & Tuomisto
  • Danaea epilithica Rojas
  • Danaea epiphytica Christenh.
  • Danaea erosa Keskiniva & Tuomisto
  • Danaea humiliopsis Kuzitchkina
  • Danaea imbricata Tuomisto & R.C.Moran
  • Danaea × jamaicensis Underw. (D. jenmanii × D. mazeana)
  • Danaea kessleri Keskiniva & Tuomisto
  • Danaea media Liebmann
  • Danaea megaphylla Rojas
  • Danaea microphylla Raciborski nom. nud.
  • Danaea moralesiana Rojas
  • Danaea nasua Keskiniva & Tuomisto
  • Danaea opaca Keskiniva & Tuomisto
  • Danaea panamensis Keskiniva & Tuomisto
  • Danaea peruviana Keskiniva & Tuomisto
  • Danaea polypinna Keskiniva & Tuomisto
  • Danaea pumila Keskiniva & Tuomisto
  • Danaea quebradensis Christenh.
  • Danaea robbinmoranii Keskiniva & Tuomisto
  • Danaea sellowiana C.Presl
  • Danaea tuomistoana Rojas
  • Danaea triassica Faddeeva
  • Danaea ubatubensis Keskiniva & Tuomisto
  • Danaea velona Keskiniva & Tuomisto

References

  1. 1.0 1.1 1.2 Keskiniva, Venni; Tuomisto, Hanna; Lehtonen, Samuli (2024-01-22). "Danaea (Marattiaceae) keeps diversifying, part 2: phylogeny and identification key for 81 taxa". Willdenowia 53 (3). doi:10.3372/wi.53.53304. ISSN 0511-9618. Bibcode2024Willd..5353304K. 
  2. Underwood, Lucien Marcus (1902). "American Ferns-V. A Review of the Genus Danaea". Bulletin of the Torrey Botanical Club 29 (12): 669–679. doi:10.2307/2478696. ISSN 0040-9618. 
  3. CHRISTENHUSZ, MAARTEN J. M. (2010-07-01). "Danaea (Marattiaceae) revisited: biodiversity, a new classification and ten new species of a neotropical fern genus". Botanical Journal of the Linnean Society 163 (3): 360–385. doi:10.1111/j.1095-8339.2010.01061.x. ISSN 0024-4074. 
  4. Burkhardt, Lotte (2022) (in German). Eine Enzyklopädie zu eponymischen Pflanzennamen. Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 978-3-946292-41-8. 
  5. Cite error: Invalid <ref> tag; no text was provided for refs named :1
  6. Smith, Alan R.; Pryer, Kathleen M.; Schuettpelz, Eric; Korall, Petra; Schneider, Harald; Wolf, Paul G. (2006). "A classification for extant ferns". Taxon 55 (3): 705–731. doi:10.2307/25065646. http://www.pryerlab.net/publication/fichier749.pdf. 
  7. Christenhusz, M. J. M.; Tuomisto, H.; Metzgar, J. S.; Pryer, K. M. (2008-01-01). "Evolutionary relationships within the Neotropical, eusporangiate fern genus Danaea (Marattiaceae)". Molecular Phylogenetics and Evolution 46 (1): 34–48. doi:10.1016/j.ympev.2007.09.015. ISSN 1055-7903. PMID 18042403. Bibcode2008MolPE..46...34C. https://www.sciencedirect.com/science/article/pii/S1055790307003296. 
  8. Nitta, Joel H.Expression error: Unrecognized word "et". (2022). "An Open and Continuously Updated Fern Tree of Life". Frontiers in Plant Science 13. doi:10.3389/fpls.2022.909768. PMID 36092417. Bibcode2022FrPS...1309768N. 
  9. "Tree viewer: interactive visualization of FTOL". 2024. https://fernphy.github.io/viewer.html. 

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