Dillenidae 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 Group epithets must conform to the ''Intern ...
at the rank of
subclass.
Circumscription
Circumscription may refer to:
*Circumscribed circle
*Circumscription (logic)
*Circumscription (taxonomy)
* Circumscription theory, a theory about the origins of the political state in the history of human evolution proposed by the American anthrop ...
of the subclass will vary with the
taxonomic system
Taxonomy is the practice and science of categorization or classification.
A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. ...
being used; the only requirement being that it includes the family
Dilleniaceae
Dilleniaceae is a family of flowering plants with 11 genera and about 430 known species. Such a family has been universally recognized by taxonomists. It is known to gardeners for the genus ''Hibbertia'', which contains many commercially valuabl ...
. A well-known system that uses this name is the
Cronquist system
The Cronquist system is a taxonomic classification system of flowering plants. It was developed by Arthur Cronquist in a series of monographs and texts, including ''The Evolution and Classification of Flowering Plants'' (1968; 2nd edition, 1988) a ...
, and in the original 1981 version of the system the circumscription was:
* subclass Dilleniidae
*: order
Dilleniales
The Dilleniales are an order of flowering plants, potentially containing one family, Dilleniaceae. The APG III system of 2009, like the earlier APG II system of 2003, left the Dilleniaceae unplaced as to order, while noting that the name Dillenia ...
*: order
Theales Theales is a botanical name at the rank of order. Early classifications such as that of Dahlgren placed the Theales in the superorder Theiflorae (also called Theanae). The name was used by the Cronquist system for an order placed in subclass Dille ...
*: order
Malvales
The Malvales are an order of flowering plants. As circumscribed by APG II-system, the order includes about 6000 species within 9 families. The order is placed in the eurosids II, which are part of the eudicots.
The plants are mostly shrubs and ...
*: order
Lecythidales
Lecythidales is a botanical name at the rank of order. The name was used by the Cronquist system for an order placed in subclass Dilleniidae. This order included only the family Lecythidaceae, which family now (in the APG II system) is placed i ...
*: order
Nepenthales
Nepenthales (Nepenthales Bercht. & J.Presl) is an order of carnivorous flowering plants in the Cronquist system of plant classification.
Cronquist system
The order was placed in the subclass Dilleniidae, which in the 1981 version of this sys ...
*: order
Violales
Violales is a botanical name of an order of flowering plants and takes its name from the included family Violaceae; it was proposed by Lindley (1853). The name has been used in several systems, although some systems used the name Parietales f ...
*: order
Salicales
*: order
Capparales
Capparales is a botanical name of an order of flowering plants. It was used in the Cronquist system for an order in subclass Dilleniidae and in the Kubitzki system, nowadays. In the 1981 version of this system it included :
* order Capparales
*: ...
*: order
Batales
{{Unreferenced, date=December 2009
Batales is a botanical name of an order of flowering plants. This name was used in several systems, sometimes in the spelling Batidales. Often this order consisted of the genus '' Batis'' only. In the 1981 ve ...
*: order
Ericales
The Ericales are a large and diverse order of dicotyledons. Species in this order have considerable commercial importance including for Camellia sinensis, tea, persimmon, blueberry, kiwifruit, Brazil nuts, Argania, argan, and azalea. The order i ...
*: order
Diapensiales
Diapensiaceae is a small family of flowering plants, which includes 15 species in 6 genera. The genera include ''Berneuxia'' Decne. (1 species), '' Diapensia'' L. (5 species), ''Galax'' Sims (1 species), '' Pyxidanthera'' Michx. (2 species), ''S ...
*: order
Ebenales
Ebenales is an order of flowering plants. This order was recognized in several systems, for example the Bentham & Hooker system and the Engler system, although the Wettstein system preferred the name Diospyrales'. In the 1981 version of the Cron ...
*: order
Primulales
Primulales was an order of flowering plants. This order was recognized in several systems with little variation in circumscription (see Bentham & Hooker, Engler and Wettstein system). In the classification system of Dahlgren the Primulales we ...
Recent molecular systematic studies have shown that this group is
polyphyletic
A polyphyletic group is an assemblage of organisms or other evolving elements that is of mixed evolutionary origin. The term is often applied to groups that share similar features known as homoplasies, which are explained as a result of converg ...
. 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-based, system of plant taxonomy that was published in April 2003 by the Angiosperm Phylogeny Gro ...
does not use formal
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 Group epithets must conform to the ''Intern ...
s above the rank of order but assigns the plants involved to various orders in the
asterids
In the APG IV system (2016) for the classification of flowering plants, the name asterids denotes a clade (a monophyletic group). Asterids is the largest group of flowering plants, with more than 80,000 species, about a third of the total floweri ...
and
rosids
The rosids are members of a large clade (monophyletic group) of flowering plants, containing about 70,000 species, more than a quarter of all angiosperms.
The clade is divided into 16 to 20 orders, depending upon circumscription and classificatio ...
clades.
References
Further reading
*
[{{Cite book , last1=Holmgren , first1=Noel H. , url=https://books.google.com/books?id=D0kQAQAAMAAJ , title=Subclass 'Dilleniidae' , last2=Cronquist , first2=Arthur , last3=Holmgren , first3=Patricia K. , date=2005 , publisher=]New York Botanical Garden
The New York Botanical Garden (NYBG) is a botanical garden at Bronx Park in the Bronx, New York City. Established in 1891, it is located on a site that contains a landscape with over one million living plants; the Enid A. Haupt Conservatory, ...
, isbn=978-0-89327-469-6 , language=en
Historically recognized angiosperm taxa