Dilleniidae is a botanical name at the rank of subclass. Circumscription of the subclass will vary with the taxonomic system being used; the only requirement being that it includes the family Dilleniaceae. Wikipedia has adopted the APG II system which does not use formal botanical names above the rank of order, and so within wikipedia this name is taxonomically undefined. A botanical name is a formal name conforming to the ICBN. As with its zoological and bacterial equivalents it may also be called a scientific name. Botanical names may be in one part (genus and above), two parts (species) or three parts (below the rank of species). ... In biology, a subclass is one level below a class. ... Dilleniaceae is a plant family found in the tropics, sub-tropics and most of Australia. ... A botanical name is a formal name conforming to the ICBN. As with its zoological and bacterial equivalents it may also be called a scientific name. Botanical names may be in one part (genus and above), two parts (species) or three parts (below the rank of species). ...

A well-known system that did use this name is the Cronquist system, and in the original 1981, version of the system the circumscription was: The Cronquist system is a scheme for the classification of flowering plants (or angiosperms). ...

• subclass Dilleniidae

1. order Dilleniales
2. order Theales
3. order Malvales
4. order Lecythidales
5. order Nepenthales
6. order Violales
7. order Salicales
8. order Capparales
9. order Batales
10. order Ericales
11. order Diapensiales
12. order Ebenales
13. order Primulales

APG II assigns the taxa involved to the asterids and rosids. Families Dilleniaceae Paeoniaceae Crossosomataceae Under the Cronquist system, the Dilleniales were an order of dicotyledons, comprising the elephant apple family, Dilleniaceae. ... Theales is an order of plants that includes the tea bushes. ... Families Malvaceae (mallows,...) Dipterocarpaceae Sarcolaenaceae Cistaceae Muntingiaceae Bixaceae Diegodendraceae Cochlospermaceae Sphaerosepalaceae Thymelaeaceae Neuradaceae The Malvales are an order of flowering plants, mostly comprised of shrubs and trees. ... Placement Kingdom Plantae Division Magnoliophyta -- angiosperms, flowering plants Class Magnoliopsida -- dicotyledons Order Lecythidales Synonyms and common names none noted Reference http://www. ... The Nepenthales are an order of dicotyledons, including several kinds of carnivorous plants. ... Families see text Violales used to be an order of flowering plants in the Cronquist classification. ... Genera Populus - the poplars Salix - the willows The Salicaceae are a family of trees, containing only two genera, Salix and Populus. ... Families See text The Brassicales are an order of flowering plants, belonging to the rosid group of dicotyledons. ... Families See text The Brassicales are an order of flowering plants belonging to the dicotyledons. ... Families See text The Ericales are a large and diverse order of dicotyledons. ... Placement Kingdom Plantae Division Magnoliophyta -- angiosperms, flowering plants Class Magnoliopsida -- dicotyledons Order Diapensiales Synonyms and common names none noted Reference http://www. ... Ebenales was a plant order in the old Cronquist classification system. ... Primulales is an order of dicots in the subclass Dilleniidae. ...