Arecidae
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Arecidae".

Arecidae is a botanical name at the rank of subclass. Circumscription of the subclass will vary with the taxonomic system being used (there are many such systems); the only requirement being that it includes the family Arecaceae.

Arecidae in the Takhtajan system

The Takhtajan system used this name for a subclass in the class Liliopsida (=monocotyledons).

• subclass Arecidae

  superorder Arecanae

  order Arecales

  family Arecaceae (or Palmae)

Arecidae in the Cronquist system

The Cronquist system (1981) used this name for a subclass in the class Liliopsida (=monocotyledons), with the circumscription:

• subclass Arecidae

  order Arecales

  family Arecaceae (or Palmae)

  order Cyclanthales

  family Cyclanthaceae

  order Pandanales

  family Pandanaceae

  order Arales

  family Acoraceae

  family Araceae

  family Lemnaceae

APG II system

The APG II system does not use formal botanical names above the rank of order; it assigns the plants included in this subclass by Cronquist in various taxa throughout the clade monocots. In other words, by today's standards Cronquist's subclass was not a "good" group.