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Marattiaceae

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Marattiaceae
Temporal range: Carboniferous–Recent
Angiopteris evecta frond
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Subclass: Marattiidae
Klinge[1]
Order: Marattiales
Link[1]
Family: Marattiaceae
Kaulf.[1]
Genera

See text.

Synonyms
  • Angiopteridaceae Fée ex Bommer
  • Christenseniaceae Ching
  • Danaeaceae Agardh
  • Kaulfussiaceae Campb.

Marattiaceae is the only family of extant (living) ferns in the order Marattiales.[1][2] In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), Marattiales is the only order in the subclass Marattiidae. The family has six genera and about 110 species.[1] Many are different in appearance from other ferns, having large fronds and fleshy rootstocks.

Description

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The Marattiaceae diverged from other ferns very early in their evolutionary history and are quite different from many plants familiar to people in temperate zones. Many of them have massive, fleshy rootstocks and the largest known fronds of any fern. The Marattiaceae is one of two groups of ferns traditionally known as eusporangiate ferns, meaning that the sporangium is formed from a group of cells as opposed to a leptosporangium in which there is a single initial cell. At least two genera, Angiopteris and Marattia, have been reported to undergo monoplastidic meiosis rather than polyplastidic meiosis, and are the only known examples within euphyllophytes to do so.[3][4]

The large fronds characteristic of the group are most readily found in the genus Angiopteris, native to Australasia, Madagascar and Oceania. These fronds may be up to 9 meters long in the species Angiopteris teysmanniana of Java. In the Hawaiian Islands, Costa Rica, and Jamaica, the species Angiopteris evecta is naturalized, having escaped from botanical gardens, and is considered an invasive species.[5] Angiopteris is unique among ferns in having explosively dispersed spores, which may contribute to its ability to spread.[6]

Marattia in the strict sense is found in the neotropics and Hawaii with six recognized species. The genus Eupodium is also neotropical, with three species, and was originally described for the distinctive stalked synangia of some species.

Ptisana is a paleotropical genus, formerly thought to be part of Marattia. These plants are 2-4 times pinnate, with fronds often comparable in size to those found in Angiopteris. Terminal segments usually have a prominent suture where they attach.[7] The sporangia lack the labiate apertures of Marattia and Eupodium, and synangia are deeply cut. The name of the genus derives from the resemblance of the synangia to pearl barley. The king fern, Ptisana salicina, from New Zealand and the South Pacific and known in Māori as "para" now has been placed in this genus. Sometimes called the potato fern, this is a large fern with an edible fleshy rhizome that is used as a food source by some indigenous peoples.

The East-Asian genus Christensenia is named in honor of the Danish pteridologist Carl Christensen is an uncommon fern with distinctive fronds resembling a horse chestnut leaf, hence the species Christensenia aesculifolia, meaning horse-chestnut-leaved Christensenia. Despite the relatively diminutive size of plants in this genus, the stomata of Christensenia are the largest known in the plant kingdom.[8]

The genus Danaea is endemic to the Neotropics. They have bipinnate leaves with opposite pinnae, which are dimorphic, the fertile leaves much contracted, and covered below with sunken, linear synangia dehiscing via pores.[9]

Taxonomy

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in the Pteridophyte Phylogeny Group classification of 2016 (PPG I), Marattiaceae is the only family in the order Marattiales, which in turn is the only order in the subclass Marattiidae. Marattiidae is one of four subclasses of class Polypodiopsida (ferns), to which it is related as shown in this cladogram, being a sister group to Polypodiidae.[1]

Polypodiopsida

History of classification

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In the molecular phylogenetic classification of Smith et al. in 2006, the Marattiales formed the single member of the class Marattiopsida. Four genera were recognized.[2] The class was lowered in rank to the subclass Marattiidae in the 2009 classification of Mark W. Chase and James L. Reveal,[10] and subsequent systems such as Christenhusz et al. (2011).[11][12] The Pteridophyte Phylogeny Group (2016) classification retains this rank. In that system, Marattiidae is monotypic and has one order, Marattiales, one family, Marattiaceae, six genera, and an estimated 111 species.[1]

There have long been four traditional extant genera (Angiopteris, Christensenia, Danaea and Marattia), but phylogenetic analysis has determined the genus Marattia to be paraphyletic, and the genus has been split into three genera, Marattia in the strict sense, Eupodium, and Ptisana.[7][11] Christenhusz and Chase placed Danaea in subfamily Danaeoideae and the remaining genera in subfamily Marattioideae,[12] but this subfamilial classification was not taken up by PPG I.[1]

This fern group has a long fossil history with many extinct taxa (Psaronius, Asterotheca, Scolecopteris, Eoangiopteris, Qasimia, Marantoidea, Danaeites, Marattiopsis, Ptychocarpus, etc.).

Genera

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Exploring the phylogeny of the marattialean ferns[7][13] Fern Tree of Life[14][15]

Six genera are accepted in the PPG I classification:[1]

Several other genera have been named in the Marattiaceae, namely: Archangiopteris, Clementea, Macroglossum, Protangiopteris, Protomarattia and Psilodochea. These are currently treated as synonyms of Angiopteris.[1]

Evolutionary history

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Marattiaceae are considered one of the most primitive living lineages of ferns. The earliest members of the family appeared during the Carboniferous, over 300 million years ago. The group has an extensive fossil record extending from the Carboniferous into the Jurassic, but post-Jurassic records are scarce.[16]

References

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  1. ^ a b c d e f g h i j 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. ^ a b 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. Archived from the original (PDF) on 2008-02-26.
  3. ^ Brown, Roy C.; Lemmon, BE (2001). "Sporogenesis in Eusporangiate Ferns: I. Monoplastidic Meiosis in Angiopteris (Marattiales)". Journal of Plant Research. 114 (3): 223–235. Bibcode:2001JPlR..114..223B. doi:10.1007/PL00013986.
  4. ^ Brown, Roy C.; Lemmon, Betty E. (1997-03-01). "The quadripolar microtubule system in lower land plants". Journal of Plant Research. 110 (1): 93–106. doi:10.1007/BF02506848. ISSN 1618-0860.
  5. ^ Christenhusz, Maarten J. M.; Toivonen, Tuuli K. (2008-12-01). "Giants invading the tropics: the oriental vessel fern, Angiopteris evecta (Marattiaceae)". Biological Invasions. 10 (8): 1215–1228. doi:10.1007/s10530-007-9197-7. ISSN 1573-1464.
  6. ^ Hovenkamp, Peter H.; Van Der Ham, Raymond W. J. M.; Van Uffelen, Gerda A.; Van Hecke, Martin; Dijksman, Joshua A.; Star, Wim (2009-06-10). "Spore movement driven by the spore wall in an eusporangiate fern". Grana. 48 (2): 122–127. doi:10.1080/00173130902804331. ISSN 0017-3134.
  7. ^ a b c 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. doi:10.1002/tax.573007. ISSN 1996-8175.
  8. ^ Bell, Peter (2000). Green Plants: Their Origin and Diversity (2 ed.). Cambridge University Press. p. 177. ISBN 978-0-521-64109-8.
  9. ^ Christenhusz, M.J.M. (2010). "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.
  10. ^ Chase, Mark W. & Reveal, James L. (2009). "A phylogenetic classification of the land plants to accompany APG III". Botanical Journal of the Linnean Society. 161 (2): 122–127. doi:10.1111/j.1095-8339.2009.01002.x.
  11. ^ a b Christenhusz, Maarten; Zhang, Xian-Chun & Schneider, Harald (2011). "A linear sequence of extant families and genera of lycophytes and ferns". Phytotaxa. 19: 7–54. doi:10.11646/phytotaxa.19.1.2. Retrieved 2013-08-11.
  12. ^ a b 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.
  13. ^ Lehtonen, Samuli; Poczai, Péter; Sablok, Gaurav; Hyvönen, Jaakko; Karger, Dirk N.; Flores, Jorge (26 May 2020). "Exploring the phylogeny of the marattialean ferns". Taxon. 36 (6): 569–593. doi:10.1111/cla.12419. PMID 34618987. S2CID 219058070.
  14. ^ 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. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.
  15. ^ "Tree viewer: interactive visualization of FTOL". FTOL v1.4.0 [GenBank release 253]. 2023. Retrieved 8 March 2023.
  16. ^ Vera, Ezequiel I.; Césari, Silvia N. (December 2016). "Marattiaceae synangia from the Lower Cretaceous of Antarctica". Review of Palaeobotany and Palynology. 235: 6–10. doi:10.1016/j.revpalbo.2016.09.007. hdl:11336/46831.
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