Arecales

Arecales is an order of flowering plants. The order has been widely recognised only for the past few decades; until then, the accepted name for the order including these plants was Principes.

Arecales
Temporal range: 80–0 Ma Late Cretaceous - Recent
Areca catechu
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Arecales
Bromhead
Families
Diversity
206 genera

Taxonomy

The Cronquist system of 1981 assigned the order to the subclass Arecidae in the class Liliopsida (= monocotyledons).

The Thorne system (1992) and the Dahlgren system assigned the order to the superorder Areciflorae, also called Arecanae in the subclass Liliidae (= monocotyledons), with the single family Arecaceae.

The APG II system of 2003 recognised the order and placed it in the clade commelinids in the monocots and uses this circumscription:

This was unchanged from the APG system of 1998, although it used the spelling "commelinoids" instead of commelinids.

The APG IV system of 2016 places Dasypogonaceae in this order, after studies shown Dasypogonaceae as sister to Arecaceae.[1]

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References
  1. Angiosperm Phylogeny Group (2016), "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV", Botanical Journal of the Linnean Society, 181: 1–20, doi:10.1111/boj.12385
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