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1 Systematics  





2 References  





3 External links  














Casuarinaceae






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From Wikipedia, the free encyclopedia
 

(Redirected from She-oak)

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

L.

Genera
The range of Casuarinaceae

The Casuarinaceae are a familyofdicotyledonous 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.

Members of this family are characterized by drooping equisetoid (meaning "looking like Equisetum"; that is, horsetail) twigs, evergreen foliage, monoeciousordioecious 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 sheoakorshe-oak (a comparison of the timber quality with English oak). Other common names in Australia include ironwood, bull-oakorbuloke, beefwood,[8]orcassowary tree.[9]

The Shire of BulokeinVictoria, 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.
  • ^ 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.
  • [edit]
    Retrieved from "https://en.wikipedia.org/w/index.php?title=Casuarinaceae&oldid=1180288911"

    Categories: 
    Casuarinaceae
    Rosid families
    Taxa named by Robert Brown (botanist, born 1773)
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    This page was last edited on 15 October 2023, at 18:04 (UTC).

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