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Casuarinaceae

 
Casuarinaceae

 
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Casuarinaceae
 
 
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Casuarinaceae is a family
Family (biology)

In biological classification, family is a taxonomic rank. Exact details of formal nomenclature depend on the Nomenclature Codes which applies....
 of dicotyledonous flowering plant
Flowering plant

The flowering plants or angiosperms are the most widespread group of Embryophytes. The flowering plants and the gymnosperms are the only extant groups of Spermatophyte....
s placed in the order Fagales
Fagales

The Fagales are an order of flowering plants, including some of the best known trees. The order name is derived from genus Fagus, Beeches....
, consisting of 3 or 4 genera and approximately 70 species of trees and shrubs native to the Old World tropics (Indo-Malaysia), Australia, and the Pacific islands. At one time, all of the species were placed in the genus Casuarina, but these are now split among Allocasuarina
Allocasuarina

Allocasuarina is a genus in the flowering plant family Casuarinaceae. They are endemic to Australia, occurring primarily in the south. Like the closely related genus Casuarina, they are commonly called sheoaks or she-oaks, they are notable for their long, segmented branchlets that function as leaves....
, Casuarina
Casuarina

Casuarina is a genus of 17 species in the family Casuarinaceae, native to Australasia, southeastern Asia, and islands of the western Pacific Ocean....
, Ceuthostoma, and Gymnostoma.






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Casuarinaceae is a family
Family (biology)

In biological classification, family is a taxonomic rank. Exact details of formal nomenclature depend on the Nomenclature Codes which applies....
 of dicotyledonous flowering plant
Flowering plant

The flowering plants or angiosperms are the most widespread group of Embryophytes. The flowering plants and the gymnosperms are the only extant groups of Spermatophyte....
s placed in the order Fagales
Fagales

The Fagales are an order of flowering plants, including some of the best known trees. The order name is derived from genus Fagus, Beeches....
, consisting of 3 or 4 genera and approximately 70 species of trees and shrubs native to the Old World tropics (Indo-Malaysia), Australia, and the Pacific islands. At one time, all of the species were placed in the genus Casuarina, but these are now split among Allocasuarina
Allocasuarina

Allocasuarina is a genus in the flowering plant family Casuarinaceae. They are endemic to Australia, occurring primarily in the south. Like the closely related genus Casuarina, they are commonly called sheoaks or she-oaks, they are notable for their long, segmented branchlets that function as leaves....
, Casuarina
Casuarina

Casuarina is a genus of 17 species in the family Casuarinaceae, native to Australasia, southeastern Asia, and islands of the western Pacific Ocean....
, Ceuthostoma, and Gymnostoma. In the Wettstein system
Wettstein system

A list of systems of plant taxonomy, the Wettstein system recognised the following main groups, according to* I. phylum Schizophyta*::: 1....
, this family was the only one placed in the order Verticillatae. Likewise, in the Engler
Engler system

One of the prime list of systems of plant taxonomy, the Engler system was devised by Adolf Engler.According to Engler, Syllabus der Pflanzenfamilien the main groups of plants are:...
, Cronquist
Cronquist system

A list of systems of plant taxonomy, the Cronquist system is a scheme for the classification of flowering plants . This system was developed by Arthur Cronquist in his texts An Integrated System of Classification of Flowering Plants and The Evolution and Classification of Flowering Plants ....
 and Kubitzki
Kubitzki system

A list of systems of plant taxonomy, the Kubitzki system was published inThe system is important as being a comprehensive, multivolume treatment of the vascular plants, with descriptive treatments of all families and genera, mostly by specialists in those groups....
 systems, Casuarinaceae was the only family placed in the order Casuarinales.

Members of this family are characterized by drooping equisetoid (meaning "to look like Equisetum") twigs, are evergreen
Evergreen

In botany, an evergreen plant is a plant having leaf all year round. This contrasts with deciduous plants, which completely lose their foliage for part of the year....
, and monoecious or dioecious. The roots have nitrogen-fixing nodules that contain the soil actinomycete Frankia
Frankia

Frankia is a genus of nitrogen fixing filamentous bacteria that live in symbiosis with actinorhizal plants, similar to Rhizobia. Bacteria of this genus form root nodules....
.

The most widely used common name for Casuarinaceae species is sheoak or she-oak. Other common names include ironwood, bull-oak or buloke, and beefwood.

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

Allocasuarina luehmannii is a species of casuarinaceae native to Australia. Stands are endangered by farming practices in the Wimmera region of western Victoria , where it is integral to the survival of the endangered southeastern subspecies of the Red-tailed Black Cockatoo for feeding and nesting....
.

External links

  • from working on Frankia
    Frankia

    Frankia is a genus of nitrogen fixing filamentous bacteria that live in symbiosis with actinorhizal plants, similar to Rhizobia. Bacteria of this genus form root nodules....
    -Casuarinaceae mycorrhizal and nitrogen-fixing symbioses