Theales 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

order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...

. Early classifications such as that of Dahlgren placed the Theales in the

superorder Order ( la, ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between family and class. In biological classification, the order is a taxonomic rank used in the classification of organisms and ...

Theiflorae (also called Theanae). The name was used by 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 ...

for an order placed in subclass

Dilleniidae Dillenidae 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. A well-known system that uses this name i ...

, in the 1981 version of the system the circumscription was: * order Theales *: family

Ochnaceae Ochnaceae is a family of flowering plants in the order Malpighiales.Vernon H. Heywood, Richard K. Brummitt, Ole Seberg, and Alastair Culham. ''Flowering Plant Families of the World''. Firefly Books: Ontario, Canada. (2007). . In the APG III syst ...

*: family

Sphaerosepalaceae The Sphaerosepalaceae are a family of flowering plants including 14 species of trees and shrubs in two genera, '' Dialyceras'' and '' Rhopalocarpus'', all of which are endemic to Madagascar Madagascar (; mg, Madagasikara, ), officially ...

*: family

Dipterocarpaceae Dipterocarpaceae is a family of 16 genera and about 695 known species of mainly tropical lowland rainforest trees. The family name, from the type genus ''Dipterocarpus'', is derived from Greek (''di'' = two, ''pteron'' = wing and ''karpos'' = fru ...

*: family

Caryocaraceae Caryocaraceae ( syn. Rhizobolaceae DC.) is a small family of flowering plants consisting of two genera with 26 species. The family is native to tropical regions of Central and South America, as well as the West Indies The West Indies is ...

*: family

Theaceae Theaceae (), the tea family, is a family (biology), family of flowering plants comprising shrubs and trees, including the economically important tea plant, and the ornamental camellias. It can be described as having from seven to 40 genus, genera ...

*: family

Actinidiaceae The Actinidiaceae are a small family of flowering plants. The family has three genera and about 360 species and is a member of the order Ericales. Distribution They are temperate and subtropical woody vines, shrubs, and trees, native to Asia ( ...

*: family

Scytopetalaceae The Lecythidaceae comprise a family of about 20 genera and 250–300 species of woody plants native to tropical South America, Africa (including Madagascar), Asia and Australia. The most important member of the family in world trade is the Br ...

*: family

Pentaphylacaceae The Pentaphylacaceae are a small family of plants within the order Ericales. In the APG III system of 2009, it includes the former family Ternstroemiaceae. Genera In 2014, the Angiosperm Phylogeny Website included 14 genera in the family: Plant ...

*: family

Tetrameristaceae Tetrameristaceae is a family of flowering plants. The family consists of five species, of trees or shrubs, in three genera: * '' Pelliciera'' in Central and South America * '' Pentamerista'' in the Guyanas * '' Tetramerista'' in Southeast Asia ...

*: family Pellicieraceae *: family

Oncothecaceae ''Oncotheca'' is a genus of tree endemic to New Caledonia. There are two species, '' Oncotheca balansae'' and '' Oncotheca humboldtiana''. ''Oncotheca'' is the sole genus of the Oncothecaceae, which is one of three families of flowering plants ...

*: family

Marcgraviaceae The Marcgraviaceae are a neotropical angiosperm family in the order Ericales. The members of the family are shrubs, woody epiphytes, and lianas, with alternate, pinnately nerved leaves. The flowers are arranged in racemes. The flowers are accompa ...

*: family

Quiinaceae Quiinaceae Engl. is a neotropical family of flowering plants in the Malpighiales, consisting of about 50 species in 4 genera (''Froesia'', ''Lacunaria'', ''Quiina'', '' Touroulia''). The APG III system of flowering plant classification does not ...

*: family

Elatinaceae Elatinaceae is a family of flowering plants with ca 35 (to perhaps 50) species in two genera: ''Elatine'' and ''Bergia''. The ''Elatine'' are mostly aquatic herbs, and the ''Bergia'' are subshrubs to shrubs. ''Elatine'' species are widely distri ...

*: family

Paracryphiaceae The Paracryphiaceae are a family of woody shrubs and trees native to Australia, southeast Asia, and New Caledonia. In the APG III system of 2009, the family is placed in its own order (biology), order, Paracryphiales, in the euasterids II, campan ...

*: family Medusagynaceae *: family

Clusiaceae The Clusiaceae or Guttiferae Juss. (1789) (''nom. alt. et cons.'' = alternative and valid name) are a family of plants including 13 genera and ca 750 species. Several former members of Clusiacae are now placed in Calophyllaceae and Hypericaceae. ...

In 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 ...

(used here) the taxa involved are assigned to many different orders, among which are

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 ...

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 ...

, and

Malpighiales The Malpighiales comprise one of the largest orders of flowering plants, containing about 36 families and more than species, about 7.8% of the eudicots. The order is very diverse, containing plants as different as the willow, violet, poinsett ...

External links

L. Watson and M.J. Dallwitz (1992 onwards). The families of flowering plants: descriptions, illustrations, identification, information retrieval.
http://delta-intkey.com Historically recognized angiosperm orders