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{{Taxobox
| name = Gentianales
| image = Gentiana cruciata 2.jpg
| image_caption = ''Gentiana cruciata''
| regnum = [[Plantae]]
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = '''Gentianales'''
| ordo_authority = [[John Lindley|Lindley]]
| subdivision_ranks = Families
| subdivision =
[[Gentianaceae]] ([[gentian]] family)<br>
[[Apocynaceae]] ([[dogbane]] family)<br>
[[Gelsemiaceae]]<br>
[[Loganiaceae]] ([[logania]] family)<br>
[[Rubiaceae]] ([[coffee]] family)
}}
'''Gentianales''' are an order of [[flowering plant]]s, included within the [[asterid]] group of [[dicotyledon]]s.
The circumscription of Gentiales in the [[Cronquist system]] included a broadly defined [[Loganiaceae]] (since broken up into several families), [[Retziaceae]], [[Gentianaceae]], [[Saccifoliaceae]], [[Apocynaceae]], and [[Asclepiadaceae]]. The circumscription recognized by the [[Angiosperm Phylogeny Group]] (APG) includes Apocynaceae (including Asclepiadaceae), [[Gelsemiaceae]] (segregated from Loganiaceae), Gentianaceae (including Saccifoliaceae), Loganiaceae, and [[Rubiaceae]].
Under the APG definition some well-known members of Gentianales are [[coffee]], [[gardenia]]s, and [[frangipani]].
APG includes Retziaceae in [[Stilbaceae]] (order [[Lamiales]]).
== References ==
* http://en.wikipedia.org/wiki/Gentianales
* Struwe, L., V. A. Albert, and B. Bremer. 1994. Cladistics and family level classification of the Gentianales. ''Cladistics'' 10: 175–205.
* Backlund, Maria, Bengt Oxelman, and Birgitta Bremer. 2000. Phylogenetic relationships within the Gentianales based on NDHF and RBCL sequences, with particular reference to the Loganiaceae. ''American Journal of Botany'' 87:1029-1043. [http://www.amjbot.org/cgi/content/full/87/7/1029 Phylogenetic relationships within the Gentianales based on NDHF and RBCL sequences, with particular reference to the Loganiaceae]
