Austrobaileyales is the botanical name

Botanical name

A botanical name is a formal scientific name conforming to the International Code of Botanical Nomenclature and, if it concerns a plant cultigen, the additional cultivar and/or Group epithets must conform to the International Code of Nomenclature for Cultivated Plants...

 for an order of flowering plants, consisting of about 100 species of woody plant

Woody plant

A woody plant is a plant that uses wood as its structural tissue. These are typically perennial plants whose stems and larger roots are reinforced with wood produced adjacent to the vascular tissues. The main stem, larger branches, and roots of these plants are usually covered by a layer of...

s, perhaps the most famous of which is the spice star anise

Star anise

Illicium verum, commonly called Star anise, star aniseed, or Chinese star anise, is a spice that closely resembles anise in flavor, obtained from the star-shaped pericarp of Illicium verum, a small native evergreen tree of northeast Vietnam and southwest China...

.

In different classifications

Until the early 21st century, the order was only rarely recognised by systems of classification (an exception is the Reveal system

Reveal system

A modern system of plant taxonomy, the Reveal system of plant classification was drawn up by the botanist J.L. Reveal , professor emeritus at the Norton Brown Herbarium, Maryland .The last update of the system was made in 1999...

).

The APG system

APG system

The APG system of plant classification is the first, now obsolete, version of a modern, mostly molecular-based, system of plant taxonomy that was published in 1998 by the Angiosperm Phylogeny Group. It was superseded in 2003 by a revision, the APG II system, and then in 2009 by a further...

, of 1998, did not recognize such an order. The APG II system

APG II system

The APG II system of plant classification is the second, now obsolete, version of a modern, mostly molecular-based, system of plant taxonomy that was published in April 2003 by the Angiosperm Phylogeny Group. It was a revision of the first APG system, published in 1998, and was superseded in 2009...

, of 2003, does accept this order and places it among the basal angiosperms, that is: it does not belong to any further clade. APG II uses this circumscription:

• order Austrobaileyales
  • family Austrobaileyaceae
    Austrobaileyaceae
    Austrobaileyaceae is the botanical name of a family of flowering plants. This family is recognised by most plant taxonomists.The APG II system, of 2003 , does recognise such a family and places it in order Austrobaileyales. This order is accepted as being among the most basic lineages in the clade...
    
    , two species of woody
    Woody plant
    A woody plant is a plant that uses wood as its structural tissue. These are typically perennial plants whose stems and larger roots are reinforced with wood produced adjacent to the vascular tissues. The main stem, larger branches, and roots of these plants are usually covered by a layer of...
    
     vine
    Vine
    A vine in the narrowest sense is the grapevine , but more generally it can refer to any plant with a growth habit of trailing or scandent, that is to say climbing, stems or runners...
    
    s from Australia
    Australia
    Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
    
    
  • family Schisandraceae
    Schisandraceae
    Schisandraceae is the botanical name of a family of flowering plants. Such a family has been recognized by most taxonomists, at least for the past several decades. Before that, the plants concerned were assigned to family Magnoliaceae....
    
     [+ family Illiciaceae
    Illiciaceae
    Illiciaceae is the botanical name of a family of flowering plants. The family has been recognized by most taxonomists, at least for the past several decades....
    
    ], several dozen species of woody plant
    Woody plant
    A woody plant is a plant that uses wood as its structural tissue. These are typically perennial plants whose stems and larger roots are reinforced with wood produced adjacent to the vascular tissues. The main stem, larger branches, and roots of these plants are usually covered by a layer of...
    
    s, found in tropical to temperate
    Temperate
    In geography, temperate or tepid latitudes of the globe lie between the tropics and the polar circles. The changes in these regions between summer and winter are generally relatively moderate, rather than extreme hot or cold...
    
     regions of East
    East Asia
    East Asia or Eastern Asia is a subregion of Asia that can be defined in either geographical or cultural terms...
    
     and Southeast Asia
    Southeast Asia
    Southeast Asia, South-East Asia, South East Asia or Southeastern Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea and north of Australia. The region lies on the intersection of geological plates, with heavy seismic...
    
     and the Caribbean
    Caribbean
    The Caribbean is a crescent-shaped group of islands more than 2,000 miles long separating the Gulf of Mexico and the Caribbean Sea, to the west and south, from the Atlantic Ocean, to the east and north...
    
    .
  • family Trimeniaceae
    Trimeniaceae
    Trimeniaceae is the botanical name of a family of flowering plants. Such a family has been recognized by most taxonomists, at least for the past several decades....
    
    , half-a-dozen species, of woody plant
    Woody plant
    A woody plant is a plant that uses wood as its structural tissue. These are typically perennial plants whose stems and larger roots are reinforced with wood produced adjacent to the vascular tissues. The main stem, larger branches, and roots of these plants are usually covered by a layer of...
    
    s found in subtropical to tropical Southeast Asia
    Southeast Asia
    Southeast Asia, South-East Asia, South East Asia or Southeastern Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea and north of Australia. The region lies on the intersection of geological plates, with heavy seismic...
    
    , eastern Australia
    Australia
    Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
    
     and the Pacific Islands
    Pacific Islands
    The Pacific Islands comprise 20,000 to 30,000 islands in the Pacific Ocean. The islands are also sometimes collectively called Oceania, although Oceania is sometimes defined as also including Australasia and the Malay Archipelago....
    
    

Note: "+ ..." = optional seggregrate family, that may be split off from the preceding family. The Cronquist system

Cronquist system

The Cronquist system is a taxonomic classification system of flowering plants. It was developed by Arthur Cronquist in his texts An Integrated System of Classification of Flowering Plants and The Evolution and Classification of Flowering Plants .Cronquist's system places flowering plants into two...

, of 1981, also placed the plants in families Illiciaceae and Schisandraceae together, but as separate families, united at the rank of order, in the order Illiciales.

{clade| style=font-size:75%;line-height:75%	label1=Angiosperms	1= }}
The phylogeny Phylogenetics In biology, phylogenetics is the study of evolutionary relatedness among groups of organisms , which is discovered through molecular sequencing data and morphological data matrices... of the flowering plants, as of APG III (2009).