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Gentianales

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Title: Gentianales  
Author: World Heritage Encyclopedia
Language: English
Subject: APG III system, Rubiaceae, Dicotyledon, Mitragyna speciosa, Sarcolobus globosus
Collection: Angiosperm Orders, Gentianales
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Gentianales

Gentianales
Gentiana cruciata
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Gentianales
Juss. ex Bercht. & J.Presl
Families
Synonyms

Gentianales is an order of flowering plants, included within the asterid clade of eudicots. It comprises more than 16,000 species in about 1,138 genera in 5 families.[1] More than 80% of the species belong to the Rubiaceae family.

Contents

  • Etymology 1
  • Uses 2
  • Taxonomy 3
  • Phylogeny 4
  • References 5

Etymology

It takes its name from the Gentianaceae family, which in turn is based on the name of the type genus Gentiana. The genus name is a tribute to Gentius, an Illyrian king.

Uses

Well-known members of Gentianales are coffee, frangipani, Gardenia, gentian, oleander, and periwinkle.

Taxonomy

The following families are included according to the APG III system:[1]

Phylogeny

The following phylogenetic tree is based on molecular phylogenetic studies of DNA sequences.[2]

Gentianales

Rubiaceae



Gentianaceae



Loganiaceae



Apocynaceae


Gelsemiaceae





References

  1. ^ 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.  
  2. ^ Backlund M, Oxelman B, Bremer B (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.  


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