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Casuarinaceae

The Casuarinaceae are a family of dicotyledonous flowering plants placed in the order Fagales, consisting of four genera and 91 species[2] of trees and shrubs native to eastern Africa, Australia, Southeast Asia, Malesia, Papuasia, and the Pacific Islands. At one time, all species were placed in the genus Casuarina. Lawrence Alexander Sidney Johnson separated out many of those species and renamed them into the new genera of Gymnostoma in 1980 and 1982,[3][4] Allocasuarina in 1982,[4] and Ceuthostoma in 1988, with some additional formal descriptions of new species in each other genus.[5] At the time, it was somewhat controversial. The monophyly of these genera was later supported in a 2003 phylogenetic study of the family.[6] In the Wettstein system, this family was the only one placed in the order Verticillatae. Likewise, in the Engler, Cronquist, and Kubitzki systems, the Casuarinaceae were the only family placed in the order Casuarinales.

Casuarinaceae
Common ironwood (Casuarina equisetifolia)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Casuarinaceae
R.Br.[1]
Type genus
Casuarina
Genera
The range of Casuarinaceae

Members of this family are characterized by drooping equisetoid (meaning "looking like Equisetum"; that is, horsetail) twigs, evergreen foliage, monoecious or dioecious and infructescences ('fruiting bodies') cone-like, meaning combining many outward-pointing valves, each containing a seed, into roughly spherical, cone-like, woody structures. The roots have nitrogen-fixing nodules that contain the soil actinomycete Frankia.[7]

In Australia, the most widely used common name for Casuarinaceae species is sheoak or she-oak (a comparison of the timber quality with English oak). Other common names in Australia include ironwood, bull-oak or buloke, beefwood,[8] or cassowary tree.[9]

The Shire of Buloke in Victoria, Australia, is named after the species Allocasuarina luehmannii.

Systematics edit

Modern molecular phylogenetics suggest the following relationships:[10]

References edit

  1. ^ Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III". Botanical Journal of the Linnean Society. 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x.
  2. ^ Christenhusz, M. J. M.; Byng, J. W. (2016). "The number of known plants species in the world and its annual increase". Phytotaxa. 261 (3): 201–217. doi:10.11646/phytotaxa.261.3.1.
  3. ^ Johnson, Lawrie A. S. (1980). "Notes on Casuarinaceae". Telopea. 2 (1): 83–84. doi:10.7751/telopea19804114.
  4. ^ a b Johnson, Lawrie A. S. (23 December 1982). "Notes on the Casuarinaceae II" (PDF). Journal of the Adelaide Botanic Gardens. 6 (1): 73–87. Retrieved 22 Dec 2013.
  5. ^ Johnson, Lawrie A. S. (1988). "Notes on Casuarinaceae III: The new genus Ceuthostoma". Telopea. (Online page archive version, link via APNI Ceuthostoma ref's). 3 (2): 133–7. doi:10.7751/telopea19884801. A synoptic key for the four genera of the family is given.
  6. ^ Steane, Dorothy A.; Wilson, Karen L.; Hill, Robert S. (2003). "Using matK sequence data to unravel the phylogeny of Casuarinaceae" (PDF). Molecular Phylogenetics and Evolution. 28 (1): 47–59. doi:10.1016/S1055-7903(03)00028-9. PMID 12801471.
  7. ^ Zhong C, Mansour S, Nambiar-Veetil M, Bogusz D, Franche C (2013). "Casuarina glauca: a model tree for basic research in actinorhizal symbiosis". J Biosci. 38 (4): 815–23. doi:10.1007/s12038-013-9370-3. PMID 24287661. S2CID 2232664.
  8. ^ Cox, P.; Freeland, J. (1969). Rude timber buildings in Australia. Thames and Hudson. p. 18. ISBN 0-500-34035-8. Cox states that the name 'she-oak' is derived from Native America sheac — beefwood.
  9. ^ Partridge, Eric (2013). Origins: A Short Etymological Dictionary of Modern English. Routledge. p. 82. ISBN 9781134942176.
  10. ^ Xiang X-G, Wang W, Li R-Q, Lin L, Liu Y, Zhou Z-K, Li Z-Y, Chen Z-D (2014). "Large-scale phylogenetic analyses reveal fagalean diversification promoted by the interplay of diaspores and environments in the Paleogene". Perspectives in Plant Ecology, Evolution and Systematics. 16 (3): 101–110. doi:10.1016/j.ppees.2014.03.001.

External links edit

  •   Data related to Casuarinaceae at Wikispecies
  •   Media related to Casuarinaceae at Wikimedia Commons
  • Research team from IRD working on Frankia-Casuarinaceae mycorrhizal and nitrogen-fixing symbioses
  • Diagne N, Diouf D, Svistoonoff S, Kane A, Noba K, Franche C, Bogusz D, Duponnois R (2013). "Casuarina in Africa: distribution, role and importance of arbuscular mycorrhizal, ectomycorrhizal fungi and Frankia on plant development". J Environ Manage. 128: 204–9. doi:10.1016/j.jenvman.2013.05.009. PMID 23747371.
  • "Casuarinaceae R.Br". Atlas of Living Australia.

casuarinaceae, family, dicotyledonous, flowering, plants, placed, order, fagales, consisting, four, genera, species, trees, shrubs, native, eastern, africa, australia, southeast, asia, malesia, papuasia, pacific, islands, time, species, were, placed, genus, ca. The Casuarinaceae are a family of dicotyledonous flowering plants placed in the order Fagales consisting of four genera and 91 species 2 of trees and shrubs native to eastern Africa Australia Southeast Asia Malesia Papuasia and the Pacific Islands At one time all species were placed in the genus Casuarina Lawrence Alexander Sidney Johnson separated out many of those species and renamed them into the new genera of Gymnostoma in 1980 and 1982 3 4 Allocasuarina in 1982 4 and Ceuthostoma in 1988 with some additional formal descriptions of new species in each other genus 5 At the time it was somewhat controversial The monophyly of these genera was later supported in a 2003 phylogenetic study of the family 6 In the Wettstein system this family was the only one placed in the order Verticillatae Likewise in the Engler Cronquist and Kubitzki systems the Casuarinaceae were the only family placed in the order Casuarinales CasuarinaceaeCommon ironwood Casuarina equisetifolia Scientific classificationKingdom PlantaeClade TracheophytesClade AngiospermsClade EudicotsClade RosidsOrder FagalesFamily CasuarinaceaeR Br 1 Type genusCasuarinaL GeneraAllocasuarina L A S Johnson 1982 Casuarina L 1759 Ceuthostoma L A S Johnson 1986 Gymnostoma L A S Johnson 1980The range of CasuarinaceaeMembers of this family are characterized by drooping equisetoid meaning looking like Equisetum that is horsetail twigs evergreen foliage monoecious or dioecious and infructescences fruiting bodies cone like meaning combining many outward pointing valves each containing a seed into roughly spherical cone like woody structures The roots have nitrogen fixing nodules that contain the soil actinomycete Frankia 7 In Australia the most widely used common name for Casuarinaceae species is sheoak or she oak a comparison of the timber quality with English oak Other common names in Australia include ironwood bull oak or buloke beefwood 8 or cassowary tree 9 The Shire of Buloke in Victoria Australia is named after the species Allocasuarina luehmannii Systematics editModern molecular phylogenetics suggest the following relationships 10 Myricaceae outgroup Casuarinaceae GymnostomaCeuthostomaAllocasuarinaCasuarinaReferences edit Angiosperm Phylogeny Group 2009 An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants APG III Botanical Journal of the Linnean Society 161 2 105 121 doi 10 1111 j 1095 8339 2009 00996 x Christenhusz M J M Byng J W 2016 The number of known plants species in the world and its annual increase Phytotaxa 261 3 201 217 doi 10 11646 phytotaxa 261 3 1 Johnson Lawrie A S 1980 Notes on Casuarinaceae Telopea 2 1 83 84 doi 10 7751 telopea19804114 a b Johnson Lawrie A S 23 December 1982 Notes on the Casuarinaceae II PDF Journal of the Adelaide Botanic Gardens 6 1 73 87 Retrieved 22 Dec 2013 Johnson Lawrie A S 1988 Notes on Casuarinaceae III The new genus Ceuthostoma Telopea Online page archive version link via APNI Ceuthostoma ref s 3 2 133 7 doi 10 7751 telopea19884801 A synoptic key for the four genera of the family is given Steane Dorothy A Wilson Karen L Hill Robert S 2003 Using matK sequence data to unravel the phylogeny of Casuarinaceae PDF Molecular Phylogenetics and Evolution 28 1 47 59 doi 10 1016 S1055 7903 03 00028 9 PMID 12801471 Zhong C Mansour S Nambiar Veetil M Bogusz D Franche C 2013 Casuarina glauca a model tree for basic research in actinorhizal symbiosis J Biosci 38 4 815 23 doi 10 1007 s12038 013 9370 3 PMID 24287661 S2CID 2232664 Cox P Freeland J 1969 Rude timber buildings in Australia Thames and Hudson p 18 ISBN 0 500 34035 8 Cox states that the name she oak is derived from Native America sheac beefwood Partridge Eric 2013 Origins A Short Etymological Dictionary of Modern English Routledge p 82 ISBN 9781134942176 Xiang X G Wang W Li R Q Lin L Liu Y Zhou Z K Li Z Y Chen Z D 2014 Large scale phylogenetic analyses reveal fagalean diversification promoted by the interplay of diaspores and environments in the Paleogene Perspectives in Plant Ecology Evolution and Systematics 16 3 101 110 doi 10 1016 j ppees 2014 03 001 External links edit nbsp Data related to Casuarinaceae at Wikispecies nbsp Media related to Casuarinaceae at Wikimedia Commons Research team from IRD working on Frankia Casuarinaceae mycorrhizal and nitrogen fixing symbioses Diagne N Diouf D Svistoonoff S Kane A Noba K Franche C Bogusz D Duponnois R 2013 Casuarina in Africa distribution role and importance of arbuscular mycorrhizal ectomycorrhizal fungi and Frankia on plant development J Environ Manage 128 204 9 doi 10 1016 j jenvman 2013 05 009 PMID 23747371 Casuarinaceae R Br Atlas of Living Australia Retrieved from https en wikipedia org w index php title Casuarinaceae amp oldid 1180288911, wikipedia, wiki, book, books, library,

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