The Info List - Austrobaileyales

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AUSTROBAILEYALES is an order of flowering plants , consisting of about 100 species of woody plants growing as trees, shrubs and lianas. Perhaps the most familiar species is _ Illicium verum _, from which comes the spice star anise . The order belongs to the group of basal angiosperms , the ANA grade, which diverged earlier from the remaining flowering plants, and, as such, it is the extant group after the Amborellales and Nymphaeales , that is sister to all remaining extant angiosperms outside of the ANA grade. The order includes just three families of flowering plants, the Austrobaileyaceae, a monotypic family containing the sole genus, _ Austrobaileya scandens _, a woody liana, the Schisandraceae, a family of trees, shrubs, or lianas containing essential oils , and the Trimeniaceae, essential oil-bearing trees and lianas.


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

The APG system , of 1998, did not recognize such an order. The APG II system , 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 , one species of woody vines from Australia * family Schisandraceae , several dozen species of woody plants , found in tropical to temperate regions of East and Southeast Asia and the Caribbean . * family Trimeniaceae , half-a-dozen species, of woody plants found in subtropical to tropical Southeast Asia , eastern Australia and the Pacific Islands

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


_ Amborella _






_ Ceratophyllum _


The phylogeny of the flowering plants, as of APG III (2009).





Internal relationship of AUSTROBAILEYALES.


* ^ _A_ _B_ 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 . * ^ _A_ _B_ _C_ Stevens, P.F. "Austrobaileyales". _Angiosperm Phylogeny Website_. * ^ Jeffrey D. Palmer, Douglas E. Soltis and Mark W. Chase (2004). "The plant tree of life: an overview and some points of view". _American Journal of Botany_. 91 (10): 1437–1445. PMID 21652302 . doi :10.3732/ajb.91.10.1437 . * ^ Angiosperm Phylogeny: A Framework for Studies of Genome Evolution, Plant Genome Diversity Volume 2, pp. 1–11, 2013, Springer, Pamela S. Soltis and Douglas E. Soltis * ^ Botanical Journal of the Linnean Society, 2013, 171, 640–654, Structure of the unusual explosive fruits of the early diverging angiosperm Illicium ( Schisandraceae s.l., Austrobaileyales), Mikhail S. Romanov, Alexey v. F. CH. Bobrov, and Peter k. Endress. * ^ Insights into the dynamics of genome size and chromosome evolution in the early diverging angiosperm lineage Nymphaeales (water lilies), Jaume Pellicer, Laura J Kelly, Carlos Magdalena, Ilia Leitch, 2013, Genome, 10.1139/gen-2013-0039

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