Danaea

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Danaea
Die Farrnkrauter in kolorirten Abbildungen naturgetreu Erlautert und Beschrieben (1840) (20292937913).jpg
Danaea leprieurii
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Marattiales
Family: Marattiaceae
Genus: Danaea
Sm.
Type species
Danaea nodosa
(L.) Sm.
Species

See text

Synonyms [ citation needed ]
  • HeterodanaeaPresl
  • †DanaeopsisPresl

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. [7] [8] [9]

Danaea is the earliest diverging lineage in the Marattiaceae. [5] It has radiated in the American tropics and presently counts about 80 species in 3 subgenera: subg. Danaea, subg. Arthrodanaea and subg. Holodanaea. [1] [10]

Phylogeny of Danaea [11] [12] Unassigned species:
(Arthrodanaea)

D. polymorpha Lepr. ex Baker

D. bipinnata Tuomisto

D. lingua-cervina Christenh. & Tuomisto

D. leprieurii Kunze

D. danaepinna Christenh.

D. zamiopsis Christenh. & Tuomisto

D. arbuscula Christenh. & Tuomisto

D. antillensis Christenh.

(Danaea)

D. latipinna Tuomisto & R.C.Moran

D. nodosa (von Linné) Sm.

(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

References

  1. 1 2 3 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). Bibcode:2024Willd..5353304K. doi: 10.3372/wi.53.53304 . ISSN   0511-9618.
  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. JSTOR   2478696.
  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). Eine Enzyklopädie zu eponymischen Pflanzennamen[Encyclopedia of eponymic plant names] (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN   978-3-946292-41-8. S2CID   246307410.
  5. 1 2 Murdock, Andrew G. (2008). "A taxonomic revision of the eusporangiate fern family Marattiaceae, with description of a new genus Ptisana" . Taxon. 57 (3): 737–755. Bibcode:2008Taxon..57..737M. doi:10.1002/tax.573007. ISSN   1996-8175.
  6. ↑ Smith, Alan R.; Pryer, Kathleen M.; Schuettpelz, Eric; Korall, Petra; Schneider, Harald; Wolf, Paul G. (2006). "A classification for extant ferns" (PDF). Taxon . 55 (3): 705–731. doi:10.2307/25065646. JSTOR   25065646.
  7. ↑ Christenhusz, Maarten J. M.; Zhang, Xian-Chun; Schneider, Harald (2011). "A linear sequence of extant families and genera of lycophytes and ferns" (PDF). Phytotaxa . 19: 7–54. doi:10.11646/phytotaxa.19.1.2.
  8. ↑ 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.
  9. ↑ 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.
  10. ↑ 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. Bibcode:2008MolPE..46...34C. doi:10.1016/j.ympev.2007.09.015. ISSN   1055-7903. PMID   18042403.
  11. ↑ 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. Bibcode:2022FrPS...1309768N. doi: 10.3389/fpls.2022.909768 . PMC   9449725 . PMID   36092417.
  12. ↑ "Tree viewer: interactive visualization of FTOL". FTOL v1.7.0 (GenBank release 261). 2024. Retrieved 1 May 2025.
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