Arecidae is a
botanical name
A botanical name is a formal scientific name conforming to the ''International Code of Nomenclature for algae, fungi, and plants'' (ICN) and, if it concerns a plant cultigen, the additional cultivar or cultivar group, Group epithets must conform t ...
at the rank of
subclass.
Circumscription of the subclass will vary with the
taxonomic system being used (there are many such
systems
A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and is exp ...
); the only requirement being that it includes the family
Arecaceae
The Arecaceae () is a family (biology), family of perennial plant, perennial, flowering plants in the Monocotyledon, monocot order Arecales. Their growth form can be climbing palm, climbers, shrubs, tree-like and stemless plants, all commonly k ...
.
Arecidae in the Takhtajan system
The
Takhtajan system
A list of systems of plant taxonomy, system of plant taxonomy, the Takhtajan system of plant classification was published by Armen Takhtajan, in several versions from the 1950s onwards. It is usually compared to the Cronquist system. It admits Para ...
used this name for a subclass in the class
Liliopsida (=
monocotyledons).
* subclass Arecidae
*: superorder
Arecanae
*:: order
Arecales
*::: family
Arecaceae
The Arecaceae () is a family (biology), family of perennial plant, perennial, flowering plants in the Monocotyledon, monocot order Arecales. Their growth form can be climbing palm, climbers, shrubs, tree-like and stemless plants, all commonly k ...
(or
Palmae)
*:: order
Cyclanthales
*::: family
Cyclanthaceae
*:: order
Arales
*::: family
Araceae
The Araceae are a family of monocotyledonous flowering plants in which flowers are borne on a type of inflorescence called a spadix. The spadix is usually accompanied by, and sometimes partially enclosed in, a spathe (or leaf-like bract). Also ...
*::: family
Lemnaceae
Lemnoideae is a subfamily of flowering aquatic plants, known as duckweeds, water lentils, or water lenses. They float on or just beneath the surface of still or slow-moving bodies of fresh water and wetlands. Also known as bayroot, they arose fr ...
*:: order
Pandanales
*::: family
Pandanaceae
*:: order
Typhales
*::: family
Sparganiaceae
*::: family
Typhaceae
Arecidae in the Cronquist system
The
Cronquist system
The Cronquist system is a list of systems of plant taxonomy, taxonomic classification system of angiosperms, flowering plants. It was developed by Arthur Cronquist in a series of monographs and texts, including ''The Evolution and Classification of ...
(1981) used this name for a subclass in the class
Liliopsida (=
monocotyledons), with the
circumscription:
* subclass Arecidae
*: order
Arecales
*:: family
Arecaceae
The Arecaceae () is a family (biology), family of perennial plant, perennial, flowering plants in the Monocotyledon, monocot order Arecales. Their growth form can be climbing palm, climbers, shrubs, tree-like and stemless plants, all commonly k ...
(or
Palmae)
*: order
Cyclanthales
*:: family
Cyclanthaceae
*: order
Pandanales
*:: family
Pandanaceae
*: order
Arales
*:: family
Acoraceae
*:: family
Araceae
The Araceae are a family of monocotyledonous flowering plants in which flowers are borne on a type of inflorescence called a spadix. The spadix is usually accompanied by, and sometimes partially enclosed in, a spathe (or leaf-like bract). Also ...
*:: family
Lemnaceae
Lemnoideae is a subfamily of flowering aquatic plants, known as duckweeds, water lentils, or water lenses. They float on or just beneath the surface of still or slow-moving bodies of fresh water and wetlands. Also known as bayroot, they arose fr ...
APG II system
The
APG II system
The APG II system (Angiosperm Phylogeny Group II system) of plant classification is the second, now obsolete, version of a modern, mostly Molecular phylogenetics, molecular-based, list of systems of plant taxonomy, system of plant taxonomy that ...
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
Monocotyledons (), commonly referred to as monocots, ( Lilianae '' sensu'' Chase & Reveal) are flowering plants whose seeds contain only one embryonic leaf, or cotyledon. A monocot taxon has been in use for several decades, but with various ranks a ...
. In other words, by today's standards Cronquist's subclass was not a "good" group.
References
{{Reflist
Monocots